THIS REALLY WORKS!!!!!!! Bad fuel pump, fuel pump relay, no fuel problem!!!
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- เผยแพร่เมื่อ 15 มิ.ย. 2024
- In this video I show how to test for a bad fuel pump in one quick and easy step. This won't fix your problem but it will save you a lot of time diagnosing the problem.
Part 2 more detailed causes - • THIS REALLY WORKS part...
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BE SURE TO CHECK OUT PART 2 FOR A MORE DETAILED LIST OF CAUSES!!!
th-cam.com/video/l3ZEiWbhUIs/w-d-xo.html
a21bravo do u keep the relay unplugged y u try to start the vehicle after spraying the starter fluid
a21bravo hey bro I really need ur help
Wrong again make sure you got battery voltage at fuel pump connector@ pump
2014 Chevrolet Silverado V6 my son drove the truck after the flash engine light was flashing for two days and then the truck shut off and he had it towed. I went and checked the truck out and ran a scan on the truck showed P305 and P 300. I found cylinder one and cylinder three coil packs bad so I changed all the plugs and the wires also they were fouled and very dirty and looked to be original. I checked to make sure that I was getting spark and I was. I tried to start the truck and it would just turn over with no start. I checked the mass airflow sensor and sprayed it out with mass airflow sensor cleaner. I also change the camshaft positioning sensor. Still no start. Any ideas
I tried starter fluid still no start
@@dougmorrison644Its more likely that the Fuel Pump being a wearable part would go out rather than electric suply line is compromised
Sir thank you! thank you! Thank you! Coming from a homeless man that all I have is my truck a local Mech was asking over $330 that i do not have to fix my truck and then God, sent me your Video, and it worked it WORKED!!!😂 under $5 so thank you and God bless you always Sir keep up the great work.
Very helpful. thanks to you 3 minutes to find out it was the fuel pump. thanks
This video is basically saving me hours and the cost of pressure guages etc trying to troubleshoot my car, thanks for the vid.
Great idea ! Thanks for posting
So,logical and cheap ! 👍🏻💪🏻🤞🏻
Thank You for this video, a friend of mine just figured this out and almost spent a fortune trying to find this problem (fuel pump).
This went over so many peoples head. He took the relay out to simulate a bad fuel pump, relay, etc.
I know. Lol it's crazy how many people probably paid for a new pump when the inertia switch or relay cud be failing. Wow. Is he that ignorant or just wants to cause people extra money with bad advice ? Crazy
Yup
First thing I said crank it without touching anything 😂😂
@@karitunes1 he did it to create content a bad fuel pump can be a number of things and it’s common sense to start with the cheapest things (relay and fuses) cause they’re cheaper then a new fuel pump if you don’t understand that you should be going to a mechanic lol this was a good video
@@karitunes1 😭
Been having this problem thanks a lot. Keep it up 👍👍
1996 Mercedes-Benz SL 320 sat for 9 years solid, didnt even try to seek faults. Just did this right of the bat and low and behold. The fuelpump was faulty... Car started up right away though on the the starter fluid after 9 long years. Thank you Sir this was really a timesaver and relief. Thank you
Wow thanks that saves me a lot of unnecessary work
Yes I didn’t unplug the relay. Testing like this confirmed our opinions. Had figured it was my fuel pump..even after spending $160 for a fuel pump testing kit.. this saved us some time.
This is the most helpful video I've ever watched with a truck different than mine. Have an 88 f250 with this issue and this video told me exactly what I need to know
Got the same shit going on with an 87 f250
Happened to me. I tried a similar test too. My Dodge Dakota 6 cylinder ran a bit better though -- the pump (located inside the gas tank) was still working partially. Likely a clogged filter after 70 K miles! First thought it was a vacuum leak.
If you a weak pump it wont saply the fuel to the rail.
Thanks Bud, saved me some time! XO
Thanx for posting this video! I'll try this out. I'm almost certain it's the fuel pump gone out on my truck. This will either confirm it or tell me to check something else on my crank, no start issue.
your right on any car your advice helped me with a audi 17 model thanx man
I would clarify that this only confirms a fuel starvation situation. This could be from a clogged fuel filter with a functional pump. One would have to test the pressure of the pump to verify the pump is the issue.
Most people try and replace the fuel filter before they test this.
This doesn't always mean it's a fuel pump or fuel filter I thought the same thing but after replacing everything to do with fuel the pump filter pressure regulator pump relay fuses still doesn't wanna start but wants to start on starting fluid so I'm down to either fuel injectors aren't getting a pulse or their clogged but also something else is bothering me when I test the fuel pump relay and try to hear the fuel pump prime when key is turned to the on position relay doesn't click or fuel pump doesn't prime now If I use a jump wire on relay my fuel pump runs constantly but with that jump wire with fuel pump running I checked fuel pressure from valve after the pressure regulator fuel spits out very fast so its getting fuel pressure with jump wire but won't start still so back to injectors either not getting power to pulse which since my fuel pump relay won't click when I turn key is making me think it's electrical not getting power to the relay and what powers the relay pcm or ecu are next in line for electrical problems maybe I had an electrical problem this whole time and only thought I had a fuel related problem because I did this test spraying starting fluid so just because it wants to run on fluid doesn't always mean it's fuel related and in some cases on econiline vans have are bad grounds also saw a video of a guy who showed a bad ground but mine looks good from the bottom but I lift up the plastic above where the ground lead is attached underneath van and I see a bunch of rust so I'm wondering if I have a bad ground because of all the rust
@@cheeseburgers82 did you fix fuel problem. Electrical maybe camshaft or crankshaft position sensor(s). Used the starter fluid engine did start. Thinking fuel pump bad but gas leaking around fuel pump (flange)bad o ring/ gasket.
A lot of newer cars have the filter built into the pump, how would you test that? Good fuel pump bad filter?
Did you ever find out what it was? It appears to me you have a problem with the connection of your ignition circuit to the fuel pump. Usually they don’t run together but might be closely related to the dependence of the crank shaft position sensor
Good job. Gives me a starting point.
Yep it works good,we been doing it for the last 100yrs. Fresh gas or starting fluid either one right down the old throat, it works every time.
LMAO I agree. Theirs a few tips or tricks some people should know tho. Sometimes a bad fuel pump relay etc can be fixed temporarily by tapping or reseating. And yes banging a starter while trying to crank many times does work. Saves you a tow but will not solve the problem.
I've done it on diesel automatic semis many times. Whack that think with a rubber mallet while somebody trys to start it. It'll almost always fire. Fuel Pump relays can be intermittent. Pulling it and reseating it or tapping it on ground sometimes may get that pump to start working. But again lol your still broken. Gets you to the local parts store tho with out a tow.
What he's doing is showing you hard way. Listen for a hum before turning your car to crank position. No humming. It's almost always 1 of the 3. Bad Pump, Bad Relay, Bad Fuse.
The other thing you can do is bang on the center of the fuel tank and in most cases the engine will fire. When you hit the tank the brush assembly in the electric motor will make contact again and the vehicle may start and run. I used this technique to get off of a busy street when my car died so I could get off of the main road and stop blocking traffic.
Really? Like crawl under there and just give er a bop?
@@justinswehla3793 Yes in many cases this will work for a short time. This only applies to in tank electric fuel pumps. I used a mag lite flashlight on a friends vehicle and he was able to drive home on the back roads and to the mechanic a day later to have the fuel pump repaired. You can check on repair costs in your area online with repair pal .
Oh no way that's super cool thank u for telling me that Haha I'm in a similar boat as your friend! Except mine is an older car so sadly this time I cant use the ol bop
I was wondering about that, I have been having problems with my Dodge Durango 2000, I had a very weak battery, we thought that was it, swapped in a better battery and it worked fine for like a week and then the same problem happened again, out of the blue, the engine would not start after just going into our local grocery store, I came out and it would not start, my friend banged on my fuel tank and it fired up, managed to get it home, so I guess it’s safe to say it is my fuel pump then right?
Yessiree. The absolut quickest way, and can get one out of a jam, saving a tow,. Check for a good ground @ the pump too.
This only let you know your getting no fuel to the motor. It does not tell if your fuel pump is bad or not. Just that the issue is in the fuel delivery system.which is the ecm, fuel pump relay, inertia switch, tank switch in some vehicles , fuel pump(s), fuel line fuel filter, fuel pump regulated, and fuel injectors
Dont forget vvt crank and cam sensor or timing.
@@kennethcheesbrough6855 don’t forget to check for fuel even, heck that’s the first thing I’d check, I’ve seen many gm products float malfunction and get stuck on about 1/4 of a tank or even 3/4 of a tank and obviously the gauge quit…..
This works!!! Carb vapor worked in a pinch too...
This video just helped me today thank you
Exactly what I needed to see!!!! Thanks! I have subscribed :)
Thanks for getting straight to the point
I have check the relays or fuses On the open road it runs beautiful like a new vehicle Problems develop at low speed under 40 mph.
Mine have same problem what did you do?
awesome thanx Im workin on a 0s Audi and you right we need new fuel pump!
Awesome video man, thanks for sharing!
I needed you to show me the relay was out just once more.
That's what I did to test. I have a Mercedes-Benz, and this test worked perfectly
Great to hear!
Good video very educational.
Here's my situation my car wouldn't start.
Use starting fluid CPL times started then died. Tried one more time fired up I let car run to engines temp. Now starts again I have a manual aswell.
Any help I appreciate fuel pump going bad?
Maybe starting fluid cleaned out your egr
Probably you had a light engine flood situation. The starter fluid helped starting once. So problem "solved". ;-) EGR has nothing to do with it.
2011 Chevy Tahoe LTZ 5.3 The fuel indicator is constantly changing from 1/2 tank to 1/4 or empty while driving. The dealership has diagnose it as a fail module. It seems as if every module that located in the rear has failed because of water damage
Thanks for the information !
Word of Caution!!! If the car backfires you can catch the car on fire. Best to use the carburetor cleaner sparingly and have a fire extinguisher at the ready!!! Caught my Yukon on fire today.
Mine caught on fire just a few days ago and i was scared as hell. Luckily i was able to turn it off😂
I'm going to have to try this. I should spray the fluid at the end of the Intake?
I had a bad fuel injector in cylinder 5. I got that taken care of. Before that I had the fuel filter changed. After the fuel filter was changed, the car started sputtering and will die out once it warms up. Is this caused by the fuel pump?
My problem is intermittent and occurs when I shut the car off between 30 seconds and 5 minutes. After 5 minutes it always starts. How do you know the difference between a bad fuel pump and a bad fuel pump relay?
Thank you ,thank you I now know the problem with my no starter
So I have a fule delivery problem listening to utube i changed the crank position sensor in a 2004 mitsubishi outlander sport 2.4l I've pulled the fule pump in the bottom of the pump canister was what looked like mud so I cleaned is and whats next to do any suggestions
Great invention!
Thank you for that its just how mine is .I though fuel pumps had gone down but not sure ...but now i am 😀😀
So what about no start but starts with starting fluid and will continue to run fine until shut off?
I’m on the same page with you, but how does this verify It’s the fuel pump and not like a fuel filter or wiring? Because I recently within the last year or so change the fuel pump. Now I know that doesn’t matter. I just have a 99 ram 1500 and don’t wanna drop the tank if I don’t have to. I’d like to eliminate all other possibilities first. And yes it popped off starting fluid. Thanks 😊
By gally this guy is A genius!
So what does it mean when you do this and it actually runs but then stops running after you turn it off and let it sit? Then doesn't even start running after you try this again?
Great video thanks for sharing
did you check the inertia switch? It could be bad?
I bought a 84 old pontiac. It wont start. I spray a bit of starter fluid and it will start right away. I could drive around for 10 min. Shut off the engine and the car will start again just fine. It seems to only need starter fluid when the engine is cold. I changed spark plugs already. Any suggestions?
This exactly how mine is thanx bro
GOT 2003 TAHOE,WAS
ABOUT TO CHANGE
FUEL PUMP,INSTEAD LEARNED
THAT THE (2)AMP FUSE GO BAD,
CHANGED IT,STARTED LIKE
NEW-YOUR VERY WELCOME 🙏
Gonna check this thank you
Pls advice what is durability of diesel fuel pump vw polo
that describes my 2001 ranger to a T. When the weather is warm, it starts just fine. Once we get cold temps, it will only start if I use starting fluid. but once it starts, it runs just fine. Is my fuel pump really the problem? The fuel pump must be pumping fuel once it starts running because it doesn't die.... Any ideas would be greatly appreciated! FYI, I have replaced the fuel filter.
My van was going great then one morning I turned it over and it cranked over but didn't start my mechanic says it could b electrical fault but it starts with starting fluid do u reckon it's the pump that's gone
of corse its a fuel pump issue and this is what the vid just explained. There clearly isn't fuel being supplied so check the relay then check the pump itself
@@matthewtoomer2181 you're wrong... And you've been wrong several times basically for the same reason... The video suggests that you got a bad fuel pump if you can show that you have spark and it will fire.. it doesn't say you might have a bad ground or you might have a bad relay or you might have a bad control signal or you might have a bad injectors or you might have a clogged fuel filter or you might have a pinched fuel line... The video suggests that what he does indicates that you have a bad fuel pump nothing more and that's why it's incomplete.
My ranger wont start and I did this and it fires up for a sec or 2 then stalls out. Any chance it could be something other than the fuel pump?
I use this process as well but it's really just a start to the Diag process as many other parts on the Fuel side or could be the issue, I wouldn't just say Bad Pump, but sometimes it is just that.
I have a 1994 gmc 5.7 tbi wont start without starting fluid then runs good, once you shut it off it takes starting fluid to restart, Any Ideas ?
A CRANK NO START does not always mean a bad pump, you also have to check the basics SPARK, FUEL, AIR COMPRESSION as well, short to ground is the ecm commanding the fuel pump on when the key switch is turned on.
But, this video is about fuel related causes, not the others... Even though this method does verify spark and compression (If it fires with starting fluid)
Well he obviously ruled spark and air if it starts but does his video mean its the fuel pump not necessarily i like to think of it of starting the investigation in the right direction ruling spark and air and focusing on fuel like pump relay short in the wire to the pump etc…
🤡🤡🤡🤡🤡🤡🤡🤡🤡
Is there anything else that can cause no fuel pressure at the fuel rail?
Will this work with a Chrysler 300 i think my fuel tank is goin up too but i haven’t been able to figure out if that’s the issue for sure.
Yes it did my did the same I did what u did it happen to get it replaced from my back seat 1998 Toyota 4runner limited edition
my Truck restarted after sitting for 30 minutes and Yes putting jumpers on it... Will need to check out the battery....
Thanks and this helped me
Brake cleaner works great too. Ss long as you buy the brake clean that says "Extremely Flammable " on the label. Not a lot needed and I usually crack the throttle about half way or a bit less so the spray gets by the butterfly in the throttle body.
Be very careful using brake clean. This will and can create phosgene gas which amounts to nerve Gas!
Can fuel pumps intermittently fail? Like sometimes they work sometimes they don’t? My ranger wasn’t starting and I couldn’t hear it priming when I turned the key, the next day i heard it prime and then it started. Would that be an electrical issue or fuel pump still
What did it turn out to be?
@@ethanballard3515 i just replaced the fuel pump, and a fuse, been fine ever since
@@kalemathews1899 Did you try just the fuse first and it not run still indicating the pump was the problem and not a 50 cent blown fuse lol ?
@@NeverSuspects are you looking for advice or are you trying to argue about something
I have a problem with a 5.2 dodge. It stalls after about 25 minutes or 25 miles. I tried the starting fluid and it started up for a few seconds. So I replaced the fuel pump its in the gas tank along with the filter and regulator, its an assembly. It still stalls after about 25 minutes. It will start back up after a 30 minute cool down and run another 25 minutes. Any help? So with the starting fluid it will start for a few seconds. My guess is the ecm is not sending a signal to the fuel pump after it warms up.
So helpful .. thank you
Can I use carb cleaner if I don't have starter fluid?
Thisw 2works ok as an early test. It proves that you have spark. It eliminates that entire system. How ever it only proves that the fuel system is not working. Mor4e testing needs to be done to prove what fuel component is the malf. Many things can cause the pump not to run.
Yes but the first thing you check is the relay/fuses start the cheapest is that doesn’t fix it then you replace the fuel pump assembly it’s cheaper and easier
@@chancesmall7026 how do you do this? I replaced the relays but still nothing, I don’t hear a click when the car is in the on position like I use to
@@tinydefault8832 you need two people to be able to do this trick one needs to lay down in the trunk with your ear against the inside of the trunk, have someone in the car, don’t start the car up but turn the key over all the way. Whoever’s laying in the trunk should hear a sound if you do your fuel pump is fine if not it’s something else. What’s wrong with your car might be able to help
@@chancesmall7026 my car won’t turn on anymore, I bought the new relay for it but nothing, it starts with starter fluid but then it dies right after, I tried hearing a click while someone starts it but nothing, I also can’t hear the click anymore inside like I use to when i put it into the on position
@@tinydefault8832 yea it’s most likely your fuel pump bud im sorry but just in case check your fuel filter first it’s a lot cheaper and sometime they get clogged up, also buy some Lucas oil fuel injector cleaner/fuel system cleaner try get it started and run some of that through it. If that doesn’t work it probably is the fuel pump I’m sorry
Exactly what we did with my Smart 4/2.. with stuck fuel pump. It had a crank / no start. Worked. And pump is replaced.
i have an automatic 2001 VW jetta 2.0 - it sat since december 2021 until now april 2023
mobile mechanic came by and put in a brand new battery, refurbished starter, cleaned up the rusted ground connection from the starter to the chassis or transmission whatever it is
the car now cranks, but won't start - he then took off one end of the cold air intake and sprayed something into the engine while i started it up but then it died after 2 seconds
the gas is original from probably november 2021 , i have about half a tank
he is telling me that probably the fuel pump needs to be replaced
any ideas if its just bad gas ?
i have 87 octane in there
Solution One!! You’re absolutely right. Ford Junk! If you miss treat a Toyota or Honda or Nissan... it’ll be awhile before it starts to give you trouble but even if you treat a Ford good it’ll still find away to mess up on you.. That’s just my experience...
cool I am having weird random non starting problem on my f 150 next time it acts up i will try this, at least it will narrow things down my mechanic cannot duplicate the problem.
What if you get the car started spraying starting fluid, and it runs fine, idles fine, but will not crank on the initial start.
I am having the same problem with my 2011 Hyundai Sonata it turns over but want start I was told it could be the fuel pump relay are the crank shaft position sensor . Does this sound right to you?
Vietnam Vet Could be... if it tries to fire with this method it's not getting fuel for some reason... Some computer may use the crank sensor signal as an input to fire injectors when it knows engine is turning.
ok thanks
I
There's a lot more it could be besides the pump. Filter, pressure regulator to make a couple
Be careful not to use too much starter fluid, especially when the engine is not cranking while spraying the fluid. My son literally blew up his intake manifold.
@walker.wayne5772
The fact is I did warn my son to go pretty sparingly on the starter fluid. But he had other ideas, as sons sometimes do...
Yup, my Air filter and housing blew right off the car. Did not realize it was too much starting fluid !
@@bhagyawanbhagat2361
Starting fluid should come with a predominant warning label on the can.
Your not 100% right, what you have determined is that you have a fuel delivery problem. Corroded injector harness, blown fuse controlling injector, harness at fuel pump and a few others. Describing it this way may lead DYI’s on the wrong path and pull tank , put new pump in and still no start. Starting fluid , as others have said may not be good if used incorrectly, get air intake cleaner or injection cleaner, less volatile but still combustible to achieve what your describing and greatly reduces accidents
just feed sme drops of petrol in the caburator or intake for injector.. we always do that in mauritius and works great insteaf of buying this spray
So is it pump or relay I just put a new pump in and getting this result. When I turn key pump turns on , but not over
I tapped on the fuel tank a few times with a small hammer and my dodge fired right back up. And used a LITTLE started fluid, reason being I've heard of engines getting ruint if you spray to much
This video is going to save me a thousand atleast.
How do you know that it’s not your pcm ecm. On my car the fuel punishable controlled by the pcm. If a connector comes lose or the pcm malfunctions, the fuel pump doesn’t work. Also, if you get a backfire spraying that fluid in your intake, you might blow a hole in your air duct work.
So how is it I have a no start before starting fluid but it runs after the starting fluid for more than 5 minutes ??
Great idea, thank you!
My Sprinter van 2001 , 313 cdi diesel cranks and will not start. With starting fluid it starts and keeps going fine. 🤔
Thanks it really helped me
Nice! Thanks for the feedback.
Hi i got a 1993 bmw 740i 7 series for a first car and it cranks but no start i changed the fuel pump but still nothing i need help
XNxDark RebelxNX hey I hope so you got your car Running already if not do you car have any lights on in your car like check Engine
Does anyone know where in heck is the fuel pump relay on an 88 caravan dodge, owners manual does not mention it, not the Haynes Motor manual? You can jump the fuel pump relay to eliminate that item as well. I would ask is it Possible to bypass the in tank fuel pump easily with just an inline fuel pump ? thanks.
Ok so I have a 79 Ford E150. With the starting fluid it did turn on for a bit. Noticed my fuel gauge doesn’t seem to be working and no power to fuel pump (don’t hear it prime) and of course no fuel to carb. It has new battery and spark plugs. 😔
And now it may need a new fuel pump and fuel filter.
What's up I need a question answered I was wondering can you help me
Mine might be a bad fuel pump or bad ground for the fuel pump becuase the fuel gage goes way past the Full mark
Thanks a lot
what if u pulled da relay it dosent run but i plug da relay back in and it runs what im dose that mean
Christie Ahuna that means it’s not that
So I replaced the fuel pump, assembly, filter and spark plugs. Mine did the same thing, so I'm assuming it's the relay.
I have a 99 GMC 5.7 only start with the The starting fluidAnd the truck is Is stay onWhy the truck don’t start with the key ?
Justin Demmer it’s an ether baby now.. you’re shot outta luck
Awesome video bro!this spray does not affect maf sensor right?
He did it, and if you attempt this, after the MAF sensor.
What if the 25.00 cam sensor is bad. The cam sensor is the main input for the injectors. A fuel pump module can run 3 to 400.00. Using starting fluid only tells you if you are or aren't getting fuel in the cylinders. Remove timing and compression questions. I use starting fluid as one diagnostic tool. Not the only one.
Will an OBD reader pick that up?
Pick up if the cam sensor is working?
Short answer ...yes. cam sensor codes are P034x or on the 0340 to 345 range. So if there is a fault, it might.
Yes, there is a BUT.
Sometimes the sensor is intermittent or barely within parameters and it won't set a code. So the diagnostic steps I use are
1. Starting fluid
2. Pressure test fuel system
3. Noid light to check injector circuit.
These steps will give you a picture of what's happening.
I have a relay that didn't work in extreme cold. You can jumper them.
How
@@dustinbowls8887 unplug the bad relay, get a small jumper wire or paperclip and jump the two connections.
for my car, it's the top two on the left of the plug
my fuel pump relay just died on me again so I've had to do that a few times
ok here is a good one....same scenario same symptoms almost dropped the tank off my truck (2001 f150) to replace fuel pump. problem..................I was using a spare aftermarket key that the truck would not recognize so it would cut off the fuel system. The kicker is that sometimes it would work fine it just would not always accept the key.
That sucks but very good that you figured it out! That could have got real expensive if you replace parts as a form of troubleshooting like some ppl do. 👍
this is right , as a matter of a fact when my truck stopped running and had ford garage check it a mechanic sprayed starting fluid in it almost the same way and it started , it was the fuel pump that was bad , the truck started after the starter spray was sprayed in . the fuel pump was replaced and runs good now. the reason maybe the guy unhooked the relay was to keep the truck from starting on purpose to show an example of what happens if no fuel is going to the engine , and that spraying starter fluid will help you check this type of situation. he is correct . .
How much did the fuel pump replacement cost at the mechanic? I'm thinking about pulling the bed off of my ford and replacing the pump myself.
I had a broken relay on a Chevy truck and didn't know it at the time and had to use starter fluid to start it up every time, almost replaced the fuel pump until I found out the relay was broke, so what I'm saying is that without the relay in when I sprayed starter fluid the truck would start and run and wouldn't cut out.
@@fleet39 (
Thank You