SYMPTOMS OF A LEAKING FUEL INJECTOR
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- เผยแพร่เมื่อ 6 พ.ย. 2021
- In this video, you will learn 7 symptoms of a leaking fuel injector. Watching this video will help you diagnose to see if it is time to replace your fuel injector. You will also know how a fuel injector works. This video also teaches you where the fuel injector is located on a ford fusion, Toyota Camry, Suzuki Forenza, and Nissan Sentra. You might be experiencing poor performance, failed emissions, rough idle, bad mpg and a check engine light, a misfire, and a smell of gas. Some of the engine codes you might retrieve are P0201 P0202 P0203 P0204 p0205 P0206 P0207 P0208 P0209 P0210 P0301 P0302 P0303 P0304 P0172 rich condition, P0171 lean condition.
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Good job. I am very experienced with this problem.
a single puff of smoke from the tail pipe thats only there upon first startup is also a leaking nozzle/fuel injector because when you shut it off at night it drips all through the night into the cylinder untill the fuel rail pressure subsides, and makes a pool of gas on the piston top that turns into that puff of smoke when you start it up the next day
what color is the smoke supposed to be?
Also if you change your own oil you'll notice the oil will smell of raw fuel a lot
thats exactly what I experienced... I realized that there was a little dripping from my tailpipe or muffler and today my truck wouldnt start... any advice what if might be??
@Jonathan-mp7xg hmmm true about the condensation part, but what would you say my best bet to check first since the car not starting. good batter, starter, alternator, and now im stumped.
Perfectly said! great video!
Nice easy to follow explanations and directions.
Thank you!
Thanks Totally told me everything ❤
Good video, but you missed a hard to start engine because the gas leaks into the cylinder
I've been having hard start issues never thought about the fuel injectors
I know this is an old comment, but can this be caused by the sealing rings or is this most likely happening because of a stuck or dirty injector ? Just made some leak tests on my old mazda and saw a puddle of fuel on top of my piston after few minutes. And the cranking is long.
I have the same symptom in my van. Hard starting and high O² sensor voltage.
@@jiouse5881 mine was infact caused by a dirty injector. So it probably didn't close all the way and fuel leaked into the cylinder over night and pressure dropped. I tried the lazy man's cleaning method where you just directly spray the cleaner into your fuel rail so the car runs only with carb cleaner and added some injector cleaner to my fuel tank. Problem solved and mazda takes me to work every day :)
@@mercer982having the same issue with my chrysler would you say it was a simple solution? What spray did you use
Well easy to understand thank you. Keep it up
I appreciate the positivity!
Thanks man my 1jz is giving me tough time with misfires and smoke always damaging spark plug.
Outstanding
Too nice, thank you!
Thankyou!
Fuel injector resistance are 8.8, 8.9, 8.8, 8.9 on a sentra 1.4 engine. If this is low, what should I do? Owner's manual says resistance should be something in the 11 and 15(?) range. Spark plugs are normal. Quick start on cold or hot. Engine's performs fine.
As the coil of the injector is most likely original, means the coil may decrease in resistance as time goes on. Considering the factory states that the coil should be 10-11 ohms, I’d say 8-9 isn’t bad, especially since you probably measured while the injector was warm/hot. That will cause impedance changes on the coil as well. As long as it runs well and you have no SES codes, don’t look for a problem.
thanks
Thank you. I bought your OBD2 sensor. I had one that used bluetooth on my phone but its buggy and temperamental
I appreciate you! If you have any questions let me know.
Please help me with this. We have just bought a mitsubishi mirage 3 weeks ago and when we first had it refueled, i already noticed the smell of gas inside the car but i thought maybe the smell came in when i opened the window.. so we just drove the car with open front windows to disperse the smell and the smell was gone about after 30 seconds. But now i have realized that during the second and 3rd time we refueled, the same thing happened. Is this normal? Please enlighten me.
Hello guys I have a 2008 clk350. She starts up first thing in am. But after I turn her off for about 15-45 minutes then she struggles to start up. I have to give it gas and when I give to much gas it’s a popping noise coming from the engine bay. Suggest that’s due to to much air but I was wondering if a bad or leaking fuel injector could possibly cause this problem. Thanks
Can all 4 injectors leak at the nozzle 😅as I changed temp switch map sensor throttle body and done compression test aswell as change the ecu but car still runs very ritch and has alot of carbon in the exhust
Hello just changed fuel pump on startup van starts normal but makes krrr sound and one puff of smoke after i revv then it comes to normal
Changed the catalytic converter a few days ago. It is now smoking while being revved at 2-3000 Rpm. Think it’s the fuel injector? No coolant loss or overheating so i don’t think it’s a head gasket but white smoke
Having same problem like it won't go over 25-30 and everything has been replaced except my fuel injectors
Same bruh!
My f150 is doing exactly what that emission test part did but it does it more when is in gear so I think the injector is dumping more fuel under a load how can I trouble shoot to find the bad injector as there are no codes or enlight on?
Would bad o rings on a couple of them cause white smoke and excessive fuel out the exhaust or is that more a fuel pressure reg ?
Im not a machanic per say but that could be a bad head gasket. The fuel part im not sure about but could be part of it
Turns out the caps in the ecu were fried, refurbished ecu , good as new. Cheers
i had a P0170 (fuel trim malfunction (bank1)) fault code when scanning my car,.and i had no check engine light appeared on the meter,. mostly what is the meaning of this code,.(i noticed that my car exaust smell of petrol) and my car engine oil also the smell of petrol,.some time the hard to crank and sometime rough idle when starting
Hey smart uploader, can you explain another sinmptom that you didn't cover. A very BIG BANG like a hammer while driving on the road at 2000rpms 40miles/h. The engine carried on running, I did not even stop.. no engine management light on, NOTHING. I just put a scan tool and the error was an internat error from DDE. The car is BMW, M47 engine, 2 litres diesel.
Dismatle later the 2 injectors FOUND TO SEND BACK TO THE TANK A LOT OF FUEL. Almost triple the amount of other 2... replaced the injectors temporary with 2 other I had already of ebay. Car is back to normal at moment. Never had any, I mean any issues with the injectors in 300k miles that are on the clock. I have ISTA+ diagosing tool for my car so the car is read now and them or when error appears on the dash..
I used for almost 250k mile 2 stroke oil mixed with diesel..
Nozzles tested with brake spray for pattern and blockage on al injectors removed or installed. No issue.
Could you put your mind at my stance, situation I faced? And give me a reason?
The car has Bosch injector.
i have a leaking fuel injector into cyl 3 with new fuel injectors,,what could be the cause
I had a P0171, a P0420, and a P2195 code after replacing the battery in my Toyota. After some research, I figured it was the computer whacking out because it needed to relearn how all the components work and what their normal working condition is. However, knowing what condition a fuel injector is in will have a specific accompanying code helps to eliminate the fuel injector as an issue. If it's clogged or non-functional, there would be a P0301-P0308 "misfire on cylinder" error. If it's leaking externally, you'd smell gasoline in the engine bay. If it's leaking internally, you'd get a P0172 error for "rich condition". Plus, there's error P0201-P0210 to accompany any of those conditions.
@lesslethal7774 On a Toyota, a p2118 code is "Throttle Actuator Control Motor Current Range / Performance"
I have this issue with my truck I got that p0172 code, should I replace the fuel injectors? when I start the truck it cranks but I have to tap the gas pedal a few times then I’ll start , the code p0172 also said system to rich bank 1 but idk if all of this is cause of my fuel injectors
@@itsurboiijr6961 JTLYK, most of my information is from vast amounts of internet research and looking at multiple different videos to find out that one problem can have a chain reaction of error codes if the problem is one direction or another. So, I would suggest you go with process of elimination. One thing of note with regards to tapping the pedal: Is your truck fuel injected? If so, tapping the gas pedal shouldn't really be having an effect on helping the engine to turn over. My neighbor sold me a truck because it was having problems working and he didn't want it anymore. One problem was that it hesitated badly. After I agreed to take it off his hands, I replaced the battery and he pumped the gas pedal a few times claiming that that helped to get the engine turned over. The thing is pumping the gas pedal was something of necessity for older cars because newer cars are fuel injected and don't need priming. After cleaning the throttle body, it stopped hesitating.
@@renegade637 I’m not sure but I’ll clean the throttle body and hopefully that’s my problem because also when the truck is at a rest position and when I drive it’ll start to shake and sound like it wants to cut off and when I reverse to it’ll shake badly and sounds different also like it has a cam on it ? And normally I’ve never had to press the gas pedal for the truck to turn on I would just turn the key and boom it’s on.
I have a misfire on #2 and low compression. While replacing a coil pack and spark plugs I noticed oil in the fuel injector harness. Could this be as simple as just a bad fuel injector? Or is it valve cover gasket issues?
Anyone else? Solutions
Low compression means you need to rebuild your engine
Low compression you have way bigger issues
Just junk it man. You're wasting time and money on that clapped out motor
I have the same issue. Lost compression in cylinder 4 with oil in the cylinder. What happened with yours?
Where can I find a new alternator for my car I try every auto parts store they discontinued
i have code C0066 and i have white smoke and missfire on cylinder 4 , audi a3 2.0tdi what can be?
Could a rich condition cause the header pipe to be cool when the others are hot.
More likely from a lean condition, since less heat is released in combustion
Have an issue with my car when it reaches 2000 RPM and drops 1500 RPM the car jumps then goes to 1000 and drives fine. Please help
I don' t have any codes but I'm having poor gas milage and bad catalytic converters
Yo! Mines wasnt leaking till i touched it and it shot out feom the nozzle. Im actually looking for a solution to my problem. At stop lights, when i try to accelerate, it acts like its not getting enough gas or the right mix of gas and air...so the motor shuts off..or at 70mph and j have my foot on the gas, it will not let me give it gas. Bc its not getting any, the motor shuts off. The other day, while it was cold i started it and turned on the a/c, it died right away. Its getting too hot and emitting a white smoke from an "under-the-hood exhaust" looking thing. Ive changed the filter, the pumps motor and filter and the tps...no one has an obd1 reader so i had to put in into manual and pull the code myself. 31. In the Chilton(extra repair manual) it says 31 is an air flow meter. Does this sound correct?
93 Toyota Corolla 1.8 dx
Any update? This sounds like a bad head gasket
How many fuel injectors are on a 2008 Nissan Pathfinder? Can you tell me where they are on the pathfinder. I’m trying to fix my car. Thank you .
If you have the chassis number i can check for you
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Year 2022.
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Select the 1 year plan vs. the 1 Month or
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Underhood Label Info : write down the Year of the Vehicle & the Size of the Engine ; the Engine Size may be a 3.0 Liter , 4.0 L or 5.0 L ( These are just examples )
Ex - Smog Repair Tech.
Southern California
If it's a 6 Cylinder there will be
" 6 " Fuel Injectors...If it's an 8 Cylinder
there will be " 8 " Fuel Injectors.
im having this cod for while P0172 system too rich bank 1 !!!! whats this for i have checked many things and changed maf sensor, spark plugs, valve gasket, air filter, in one day !!!! but sytill having this error, pls help me , Thanks
Did you ever solve it ?
@@diegobertoalmonte5869 not yet 🥲 still looking after this problem
Check the o2 sensor,mine p0172 was gone after replacing it
What do you think about a hard starting integra where the fuel pump and regulator was changed and iacv cleaned. Thinking I'm losing fuel pressure when it sits a few hours. Rough idles occasionally too.
Did you find the problem?
fuel pump relay? (sorry im very new to all this and i might sound stupid)
Can you have bad injectors even if there is no engine light?
Yes
I got gas smell and lots of smoke from my exhaust, this was after putting petrol in my diesel car, only realised about a day later as it would not start. I drained my fuel tank and did a full service and now a month later it has started again.
Hey bro my toyota vitz fuel consumption has gone pretty high, iv changed the plugs few times but still kindly assist
And there is no check engine light or any other on the dash
@@ameerzulfiquar2111Did you figure it out? Could be your Coils, Fuel filter, Air Filter or it could be a dirty MAF/MAP Censor, Dirty throttle body or caked up Intake Valves. I would suggest using Lucas Fuel Injector Cleaner. Helped my cars idle and made it run more smooth. Also gain 4 MPG
@@jaysrt21 hey bro here we only have liqui moly products
Also missed black smoke due to overfeulling.
I’m definitely experiencing vibration at a red light any stop or when my car is in park and a hard crank I was wondering why my car sound like that my code was P0172 and I definitely don’t w at to spend a lot of money I may try the solution
Sounds like the issue im having. Having issues after getting gas everytime. I replace spark plugs coils purge value and map and o2 sensors and fuel pump. So has to be injectors
My 2001 Hyundai tiburon got me 44km for R300 petrol. About 7.2L of petrol. I need to use it to see clients now its kill8ng me with petrol. My old one used to get me 140km on the same amount of feul. I have replaced all my srnsors, ECU and feul regulator. Im sure i need to replace the injectors now. I do have another 3 ECUs i can try but i already put another one in. My tib idles like a racecar rough and Loud. One guy thaught i had a rotary in it
I have a 1998 F150 I get crappy gas mileage and sometimes it runs really bad sometimes even shaking the whole truck and then it's smooth out and runs like it's supposed to I hadn't you oxygen sensors put in but that didn't do no difference I had new plugs put in and a new coil pack but that didn't stop the problem anyone have any advice on what may be causing my problems
One thing to check is the evap system.Purge valves go bad on those and the tank doesn't vent or burn vapor properly. A leaky condition can result in flooding,hard to start,black smoke.A leak down test on the injector rails is pretty easy to do.
can a bad injector cause a low voltage in the o2 sensor
No that is not possible.
@@rexxor4219 but low volatge means the engine is running rich
I will have a better day after I figure out why my fuel injector is leaking.
I believe I have an engine misfire. The O2 sensor is throwing a code and I found out that gas is leaking from the fuel injector today while replacing the spark plugs.
I have no engine code on but I do have fuel smell in my oil. I changed the oil because it was at my normal 3500 k mile interval and noticed oil smelled like gas. Changed the oil and 50 miles later, oil still smells like gas. Help please!!
Did you ever find the problem?
I’m going thru this right now no fun
A ton of white smoke from to the tailpipe that stinks like gasoline. Best get those fuel injectors replaced before you blow something out in the engine, i.e head gasket, cylinder, valves, spark plug, etc.
8 gas in oil (oil level too high - Coolant at level)
If the 1st page of google was a video
Chrysler Grand Voyager 2008 2.8 crd diesel getting P0087. Fuel Rail/System Pressure too low.
Having the same issue except with my Saab might be related as it’s also a 2.8 v6 except not a diesel I’ve changed two fuel pumps to the same outcome with p0089 also coming up changed the pressure sensors to no avail so most likely will either be weak fuel pumps or the actual injectors/fuel lines might have a pin hole leak in them as Chryslers/Saabs are very picky with these things sm sitting at about 1.1bar when it should be reading above 3-4bar or 50-60psi fuel pressure
I smell gas inside my car and the code reads that the cadilic converters are bad
2:32
I was changing my oil on a diesel engine the other day and my oil was smelling like diesel
Po302 ???
A P0302 code indicates a misfire in cylinder 2 of the engine. Common causes include faulty spark plugs, ignition coils, fuel injectors, and vacuum leaks.
watch in 1.25x if you wanna hear it in not slowed down version
This is a hard video to watch with this narrator
I notice he replies to compliments but no answers to any questions we have. Not cool at all. He's only interested in compliments not people's vehicle issues...
Mimics American accent
Thanks for saying ( I HOPE ALL YOU GUYS ARE HAVING A WONDERFUL DAY, ) Dam bro if I was having a great day I'd be out driving to the BEACH, not trying to learn about why my POS Liberty is running like shit again.