ฝัง
- เผยแพร่เมื่อ 3 ม.ค. 2012
- Learn how to change a fuel pressure regulator on 350ci LT1 or LT4 engine. Replacing the fuel pressure regulator (fpr) is a similar process for almost all cars and this video is a great reference!
Here is the fuel pressure regulator I used (good price too):
www.amazon.com/gp/product/B000...
Here is how to test your fuel pressure regulator: • Fuel Pressure Test
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Disclaimer:
Due to factors beyond the control of ChrisFix, I cannot guarantee against improper use or unauthorized modifications of this information. ChrisFix assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. ChrisFix recommends safe practices when working on vehicles and or with tools seen or implied in this video. Due to factors beyond the control of ChrisFix, no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not ChrisFix. - ยานยนต์และพาหนะ
2017: HEY GUYS, CHRISFIX HERE!!
2012: ok we're gonna replace a fuel pressure regulator
haha
@@chrisfix can you please shout out my TH-cam channel it's buggy boy
@@charliebrowne3620 why should he
I like it when you said*not torques
@@chrisfix wow sound evolution
i was waiting for "hey guys chrisfix here" and i got "ok we're be fixing a fuel pressure regulator" haha
Same
🤣
Lol me too... 😂
Dude same!
He didn't used to say that
Exactly! And if you have new injectors, its good to have the correct pressure going through them! Sounds like you have a nice Vette!
Chris, You are still helping us out with this video you did 10 years ago. These things develop odd leaks. Mine was leaking maybe 3 times over 3 months. I would smell fuel in the car for maybe 5 minutes and then go away. I thought it was a plugged vent line. Just checked the Fuel Pressure Regulator before checking the vent lines. Started the engine no leak. Pulled the vacuum line and it leaked bad on the non-vacuum side of the diaphragm. Thank you Chris.
I'm the owner of a 1993 Vette, and I do all my own work when I can. I have done everything from replacing my Opti (not as hard as you may think as long as you keep a cool head), sensors, etc. I have always found that most shops try to BS you into getting stuff you don't need as they believe Vette Owners have deep pockets.
Chrisfix, you've come a looooooong way in your video quality, editing and commentary. Good job, man!
The first TRUE MECHANICAL VIDEO from Chris Fix
Chris began to use the word "BEAUTIFUL!" from this very beginning at 7:32.
hahaha
7:31 idiot
true story
@@Martin-xh1hd actually 7:32 not 31 dumb
Also remember they might missed it by a second or not.
Hehe 69 likes
This is the actual first Chris fix video
It can be a number of things... I would check a few things to get an idea of where your problem is... Check the fuel pressure with a fuel pressure gauge ($20 online). It should read around 40psi when you just turn the key to the run position and it should not bleed down. You should also check the wires. Run the car at night in the dark and take a spray bottle with water and spray near the exhaust manifolds. If you see sparks, you need new wires. That should be a good start. Report back!
Well if you are going to change the wires, change the plugs too (I have a video on how to do that on the Vette). Is it missing when you put a load on it? Like if you are cruising along and then step on the gas hard, does it stumble? If so, it might be the optispark
I miss the old days I'm so glad I can always find old vids by searching parts I need
When you have the car off and turn the key to the run position (car is still off and the fuel pump primes), does the fuel pressure increase to ~40psi? Does it stay at ~40psi for 10min?
Awesome! That's why I make these how to videos! Glad it helped
this video is so old that replies are broken lol
@@sleetskateFrrrr I kinda remember how the YT comments section used to be back then. Been using YT like it's TV around since 2013. For so long, in fact, that I don't even mind the ads anymore, so there's no need for a YT Premium when it comes to me. No sir. Lol.
@@trickyricky12147 i remember back in the day when replies were @'s the first time. then come 2011 they stopped using @'s, then 2013 broke the whole comment system and disconnected all replies from parents. and now we've come full circle with @'s lol
@sleetskate Isn't it great how TH-cam always goes full circle back to old features? They went full circle with the 'Go To Channel' feature when you click on someone's pfp to view their channel mainly live chats. A few years ago starting around 2020 till last year or two ago YT patched that feature, then brought it back. Yeah around the 2014/2015 timeline, YT used the plus sign "+john doe" (example) for a while until they scrapped that format. Lol
@@trickyricky12147 bob won the war against google plus lmao
I could do this for you... It's simple to do and there are a few different ways to approach this.
Wow comparing your first ever fix vid to the vids you do now makes you feel really special to have a guy like Chris fix
Thanks for the tip!
Haven't been long subscribed to you and you've come a long way. I'm used to "Hey guys, ChrisFix here." Not "Okay." haha
Sheldon Williams y8
Thanks for taking the time to do this. I have a 94 Caprice wagon with the LT1 engine, and the factory manual is useless for helping this changeout. I had a wee bit more difficulty was well because the shoulder bolt/nut holding it on was frozen solid, so I wound up cutting it off! Replaced it with a makeshift 1/4-20 bolt and 3 nuts to make up the support of the shoulder bolt. Works great, !!!
I can't believe ChrisFix's first DIY video helped save my car... Thank you so much!
Sounds like a check valve in the fuel pump (meaning you need a new fuel pump). Or it is leaking injectors (less likely).
Any spark due to a short will cause an explosion/fire and with the battery disconnected a short cannot happen... Any time you work with your fuel system you should disconnect the battery.
Great! Glad it helped!!!
Thank you so much for this video. It was exactly what was wrong with my son's Corvette. It's fixed now and running like new thank you again I love your videos
Thanks! Hope it helped ya
Wow your first how to you have grown so much since this video!
His first was a water pump
4:58
When dismantling any gas lines, it's a good idea to pull the fuel pump fuse and run the vehicle until it stalls out. Then no gas in any of the lines.
Would you then, afterwards, still disconnect the negative terminal on the battery?
@@diro6232 it's always a good idea to disconnect the battery when working on the vehicle. But you're good after pulling the fuse. I myself wouldn't worry about disconnecting the battery unless you're going to be by the fan in the engine compartment.
@@davecpgh Thanks for that timely reply. Could I bother you for one more question?...Once new one is in, and fuse is put back in and negative terminal is placed back on, do you have to do anything particular to prime back up the fuel pressure?
@@diro6232 easiest thing to do is turn the key to the on position then off then on a few times. It'll pump enough gas thru the whole line. If that happens not to work, then turn ronin position and pump the gas pedal a couple times, but be careful, you don't want to do that anymore than you need to
@@davecpgh Thanks for the helpful info! 👍 I will keep that in mind!
I dont know the exact name but it is a fuel line holder. It holds the fuel lines right before it goes into the fuel rail... Maybe ask the people on the corvetteforum. Show them the video and give them the time. I am sure someone will know. Good luck and let me know if you find out!
Did you add my others? (How to change oil, how to change headlights)?
I watched many of yours
It is just one O-ring and you can clearly see it at 5:06 ... I would replace the O-ring because it is a cheap part and failure of this part could catch your car on fire... For now if you take the O-ring off, soak it with a little motor oil, then put it back on, it might hold for a little (to get to the parts store)... But leaking fuel is very bad so get a new O-ring asap!
Also if it hasn't been said, unscrew the gas cap, I had constant pressure with the fuse out and finally decided to take off the fuel cap and the pressure that was built up was now gone, large amounts of pressurized fuel in the line before taking off the cap on my 95 vette.
Great videos!!!
Finally got curious and watched the first video and the first How To video. I'm glad Chris stuck with making videos and I really like his production quality, lots of effort to make them look good for us. Video quality got way better and he sounds way more comfortable since these early days. Curious when the first "Hey guys, ChrisFix here!" appeared, but that will be left as an exercise to the viewers/readers. :p
It is leaking, low fuel pressure, high fuel pressure, when you take the vacuum hose off the regulator it smells of gasoline.
This is what started everything and where a legend began
I love how chris still likes comments and reacts to comments while tis vid is 8 years old
Thanks for the guide. I used it to fix my long and rough start issue and to fix my hesitation issue. My vette still has hesitation when going through the gears, but it cranks up like a champ now. My next attempt to fix the hesitation is to change the fuel injectors, so if you got a guide on that it would be greatly appreciated.
I do not have a guide on that (yet). It is pretty easy, just unbolt the fuel rail, pull the injectors out, and replace each one.
It could but it could also mean bad fuel pump, leaking injectors, clogged fuel filter, etc... Try taking the vacuum line off the fuel pressure regulator and see if the pressure jumps up
Oh man very first fix video lmao look at you with tons of comments on how to fix stuff now look at you successful af whith a whole ass racing team hope you never stop making videos
Maybe five years from now Ill have killer editing skills and have 2M subs lol
AutOdometer almost 4 million now
@@Jeremy_Hill_2020 almost 5
AutOdometer 6.2 million now
you aren’t at 2m sucks
Its 6,85 now
no... the only fuel you lose is in the fuel rail... it is less than a cup
Dude thanks so much for all your videos!!!
I really like your channel !! Very helpfull and the instructions are clear . Nice job and keep it that way !!
gunzoqc Thanks! I am glad the videos have been helpful!
Great video. Exactly what I was lookin for.. Thanks
Im watching all your videos from the beginning, see if i can get my way around a car myself within time
at least you have plenty of room to work, ever tried that on an lt1 in the 4th gen f-body? its hard as hell to get to it
the clip will have some play to it but the fuel pressure regulator should be solid and not move.
It is definitely not a valve. All that thing does is hold the fuel lines in place. It is a clamp you screw down to hold the fuel lines.
Thanks bro.your video is very nice.
Ur first how to video. I love it! 👍
excellent video dude...!
Thanks...!
7:40 also gives you a good view of the single O-ring
You mean 7:40?
@@ALFA69 Bro it was 8 years ago when you replied
@@bellamckinnon8655 yesirr I'm still waiting for his response
@@ALFA69bruh moment
One thing that comes to mind is that your injectors are leaking. This would cause the gas to leak into your cylinders and any blow-by at all would cause an excess amount of fuel to go into your oil. Plus, this would cause carbon build up on the plugs. When you start the Vette, if you tap the gas to rev it up quickly, does the exhaust make a popping sound? Leaking injectors can be caused by a damaged fuel pressure regulator, but I think it is more important to check to see if they are leaking.
I'm
😮
I am getting the feeling I would be better buying the in-tank complete unit, rather than blowing up your garage and house.
I’ve only just come a cross your channel and I’ve more a Less watch all your video already well done on the hummer hard work pays off wish I would of started watching your channel 10 years ago
Nice job Bro...Most do the same on my 96 Caprice 9 C 1......She never starts on a cold engine. Most start it twice until enough gas gets into the system. Again...Nice Job......
aye...it was the fuel PUMP
Chris, could you tell me if I would need to bleed out the fuel system if I replace the fuel pressure regulator on a diesel?
Chris, how do you fix fuel volume regulator control circuit open?
Appreciate it..don't like working on fuel system parts but you made it look simple..thanks
great, precise instructional video manual!
abacus091 Thanks a lot! Glad the video was helpful! New automotive 'how to' videos every Thursday and most Mondays so stay tuned!
So raw so pure.
Hey Chris, listen I have a tuned engine, I have a new direct ignition cartridge, new plugs, new fuel filter too. Can a failing fuel pressure regulator cause surging and rough idle? Misfires? Hesitation at full load/boost?
Chris’s first how to video OMG
Nice video. I have a 95 Camaro z28 with an lt1, same engine. Does anyone know why it might back fire and stall? It back fires at 3,000 rpm. Recently Replaced spark plugs and egr valve. Thinking it might be either be the spark wires or injectors. Looking for another opinion.
Thanks so much for your quick response. It's some type of Fuel Air Valve or something like that.
Great video Chris! Thanks very much.
Do you have anything related to removing fuel injectors and cleaning them?
Thanks in advance.
emgraphix1 Thanks, I am glad the video was helpful! I dont have anything on removing fuel injectors and cleaning them yet. I plan on doing something this spring/summer so stay tuned!
Thanks. Your video has been very helpful. I had the same problem on my 96 pontiac trans am.
TVBlizard No problem! Glad the video was helpful! New automotive 'how to' videos every Thursday and most Mondays so stay tuned!
Nice video, such easy access to the fpr. Its a pain in the ass with a camaro
Thanks man! Yea, I have heard in the camaro it is tucked away! Hopefully this helps a little with the fix!
Even in 2012 cameras where sharp
was it dieing off on hard take offs or on turning launches?
Hey Chris, I purchased a used car with a b series engine swap. It runs super rich and I've fix and replacing parts to get better fuel economy. I've notice that the for does not have the vacuum connected and from the manifold the inlet is plugged. I tried adding a return line but the idle went up over 1200 rmp. I can't lower the idle since it's at the lowest point it can go. So as of now I'm running with a vac delete. Questions is would it be a bad fpr or is it tuned to bypass?
great video man!
thanks for the info I was trying to get this done as soon as i can.. if the gauge reads below 40 psi or over would it mean its the fuel pressure regulator? also the car was never worked on since bought from the dealer by the first owner im the 3rd it only has 55miles.ive only replaced the starter and replaced radiator myself with help. i will try the spary bottle. thanks for info !
i learned from your vlog that a vacuum leak leads to high fuel pressure, so if i check my spark plugs and they are clean, it means it doesnt run rich, which means fuel pressure not high which means no vacuum leak?
2018: HEY GUYS, CRIS FIX HERE. AND TODAY WERE GONNA CHANGE PISTON RETURN SPRINGS
2012: ok... we're gonna replace a fpr
WIll the fuel rail work without the small metal clips? I bent a couple. It looks like the 4 bolts hold it down. I am changing injectors on a lt1 camaro. 1/2 the engine is under the hood. I am afraid I loosened the fuel line to the rail with all the tugging and twisting.,.
I should of had someone do it. I am afraid i screwed up. Any help appreciated.
Quetion: in which direction does the fuel enter the regulator and where does the excess come out.. and can i disconnect this black hose and check if fuel comes out.. when i think my fuel pump is not working ???
i want to know this as well
Ahmed H. Ramadan it goes in through the metal pipe and there is no excess fuel
Just did my 95 Vette, this video helped alot, Thanks
+Vetteboy- 53 Awesome! Glad the video was helpful!
Thank you for showing me that there's an o-ring on the fuel line -to-regulator. I've had a leak on mine for a while👊❤😊
cool this is exactly what I need to do to my vette! now do I need that gauge to release the fuel pressure or can I get away with it by relieving it into a cup or something?
thanks!
You dont need the gauge to release fuel pressure. You can just let the car sit overnight and that will be long enough for it to leak down. You could also pull the fuel pump fuse and turn the car over for a second.
Where did you buy the new fuel pressure regulator? I've been looking all over the internet and I can't seem to find anything but replacement diaphragms. Thanks!
Nate J. Check the link in the description for where you can get one!
Hey Chrisfix I have been watching you video 4 year I still all old video to your new
Great video step by step
Ampelio Carr Thanks! I am glad the video was helpful!
Great video and beautiful Vette!!!!
Thanks a lot!
Mine leaks in the cold weather, too. Once the engine warms up it's fine. I have the regulator on order since it's special order...of course. Great vid!
Good! Glad the video helps! Let me know if you run into any trouble!
Before Chris’ thread locker budget needed an accountant.
2021 here.
Such a baby😍in this one!
No signature gloves and he made a few beginners mistakes!! 😜🤷
Totes adorbs
i saw that there has been a recall on the make and model of my car for the regulator but the tags are expired and you make it look soo easy on the video. the recall stated that the regulator was installed during manufacturing without a ring and clamp. where i see the regulator at there is most definately something leaking because it looks like dirty oil running down and also does this problem cause the car to shake violently while in reverse or drive and smell like gas?
this video makes me realize how much chris grew over the years. he’s improved a lot. and i say that because i didnt understand shit in this video 🤣
This morning I started mine up and for a split second I realized it wasn’t the same amount of cranks and it was really boggy… Drove it down the street, drove it back and parked it in the driveway. 20 minutes later I go to start it up and it’s just cranking now… No start, I was thinking maybe bad injectors but this looks easy enough to swap out…
My question is, why/how did you know it needed to be changed? What were the symptoms? Mine has been running great, so much that the last time I drove it I pushed the hell out of it on an empty freeway and it did great…
Would I change this for starting issues
how can you do this on a 1992 cadillac deville with the 4.9 V8?
If there is a recall then the dealership has to honor it... Just go and tell them that you have a recall that hasnt been fixed... It could be the reason it shakes (missing due to limited fuel at the injectors) and it could smell like fuel due to the regulator as well...
I wonder if silicone would be okay on the o-rings, or would that run the risk of clogging the fuel system? I'd rather use silicone, because it's rubber safe and is made for o-rings.
WOW THAT BATTERY IS SO CLOSE TO THAT FENDER I WOULD PLACE A THICK CLOTH OF SOME KIND OVER THAT FENDER TO AVOID METAL TO METAL CONTACT as HE SAID JUST IN CASE THAT RATCHET SLIPPED. GREAT JOB EXPLAINING EVERYTHING CHRIS I LOVE ALL YOUR VIDEOS.
Thanks a lot!
If we dont have a fuel pressure gauge, can we just disconnect the fuel pump relay and try to start car to release the pressure?
Terrance Williams pull the pump out while the car is running an it will stall an shut off. Let it crank a a few times an no pressure.
Terrance Williams yes you could do that
I didn't think that Vette owners worked on their own cars... LOL! Good video man!
my C4 needs to crank 2-3 times, when cold, in order to start engine.
spark plugs, cables, air filter, flow meter, fuel filter anf injectors all replaced recently.
do you thonk it's a fuel regulator issue?
once it starts then it runs smoothly
+TheeAmateur Yes, that is exactly what I saw in my vette. Check out this video on how to diagnose the problem: th-cam.com/video/_oXLUqE4Sf0/w-d-xo.html
how do you check a fuel pressure regulator thats located with the fuel pump? buick lacrosse 2008
I have a Jeep that is hard to start when cold but starts after its been started and warm! And to by pass it having a hard time starting i have to switch the key back and forth about 6 times than it'll start right Away
I can’t wait to do this on my Firebird where the back half of the engine is covered
Let me know how it goes!
i own a 96 collectors edition recently purchased from a friend.. and it is misfiring when i come to a stop is this problem the spark plug wires or the fuel pressure regulator??
Hey, I have a 95 camaro Z28 Lt1, and i am having a fuel pressure problem! I did go and change the spark plugs, wires and the distributor cap and roter, But it would slowly loss fuel pressure after driving for 15 or so minutes, It would idle at about 39 or 40 psi and soon get down to close to 30, What do you think i need? Thanks man!