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YOUR RESEARCHI thought I was out of the woods.. but had a problem warm start yesterday
Reported repair
Replace fuel injectors
Reported resolution
1
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0
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1
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Reported fix
replaced the fuel injector on cylinder 1 and problem solved.
I thought I was out of the woods.. but had a problem warm start yesterday
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Leading evidence: 'Replace fuel injectors' (1 discussions report resolution; 0 report an unsuccessful attempt). Across 1 matching discussions, The most frequently discussed action is 'Replace fuel injectors' (1 discussions). For that action, 1 discussions report a resolution and 0 report an unsuccessful attempt. The most frequently reported fix is 'Replace fuel injectors', supported by resolution reports in 1 discussions. These are forum reports and suggestions, not a confirmed diagnosis.
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I thought I was out of the woods.. but had a problem warm start yesterday
Replace with the engine in the car
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No successful repair reported for this finding.
0
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Performed · outcome unconfirmed
The fuel pressure regulator can be replaced with the engine in the car, but have to move some things out of the way.
I thought I was out of the woods.. but had a problem warm start yesterday
Test codes and was a missfire
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Performed · outcome unconfirmed
tested the codes and was a missfire on cylinder 1.
I thought I was out of the woods.. but had a problem warm start yesterday
Test fuel pressure
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
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Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
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Performed · outcome unconfirmed
When you said you tested the fuel pressure for a long period of time.
I thought I was out of the woods.. but had a problem warm start yesterday
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6 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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Hopefully you guys can help me narrow down what to look for based on my car's symptom. When the car is warm there is a small chance for it to start and die again instantly. Almost as if I had turned the key on and off again. It has mostly happened when running errands since I will start and stop the engine a few times over a couple of hours. Usually, I can just start the car right after if it dies, but if it dies again I generally need it to let it sit for a while for it to even try starting again (the revs jump up less each time almost as if it is flooded). I just got my car back from my tech after unrelated maintenance, but there were no codes at the time.
Here is what I have done to date to try to correct this issue:
1. Cleaned throttle body (I could try this again just in case)
2. New MAF - Cleared MAF code
3. Checked fuel pressure over a long period. Everything looked perfect.
What else should be checked or could cause this kind of problem? Starter? Crank position sensor? I am no wrencher, so I will need some guidance on this.
Thanks!
Not the starter since it starts and then dies. Not the CPS because it does start (and then dies). Sounds more fuel related. Check fuel pressure regulator, maybe a leaky (more than one) fuel injector...and even if the fuel pressure is "perfect", it could be a fuel pump on the way out. Last time maintenance was done and what was done? How many miles on the car? Just so we have this straight.....the engine cranks fine, starts and then immediately dies...right?
Fuel pressure regulator comes into play because as soon as the engine "runs", vacuum is supplied to the regulator. So it could be stuck or flaky.
Hey DBJoe996! Last maintenance items done were the clutch, flywheel, IMS, RMS and chain tensioners. The car has 69,000 miles and you're correct, the car cranks fine, starts and immediately dies.
Fuel pressure regulator looks like a pain to get to. Can it be done with the engine in the car? Injectors and pump look a little easier. Also, if it helps, the car seems to have a stronger smell of fuel since this problem started occurring.
Thanks!
Just throwing some ideas out there. Check the evap regen valve - move key to ON (not start) and listen for clicking sounds near the throttle body. The fuel pressure regulator can be replaced with the engine in the car, but have to move some things out of the way. I take it no CEL codes? Any problems fueling the car?
I had a very similar problem with my 99 cab last year.
When you said you tested the fuel pressure for a long period of time. Was the pressure tested AFTER engine shut down to see how long it held pressure? If the pressure doesn't hold for about an hour the fuel will boil in the fuel rail and cause hard re-starting/stumbling/dieing..
The problem I had with my 99 cab was a fuel injector would stick open after a long drive and a short stop. It would start and die or be hard to start and run rough even with the throttle held slightly open to keep it running it would missfire. Smelled gas ect (flooded). At first it would clear up on the second or third start, but then got worse. After it got worse I kept it running and drove it while missfiring and the check engine began to flash, then it smoothed out. tested the codes and was a missfire on cylinder 1. replaced the fuel injector on cylinder 1 and problem solved.
Yes, it was done after shutdown and the engine held fuel pressure for over an hour. What you describe is exactly my problem. I know I have had misfires on cylinder 1, but my tech thought he fixed them. This morning the car was rough.. Rough enough that in my head I was ready to throw in the towel. I will look into this next.
Also, no CEL. I will also check the evap regen valve since that is easy to do.
Thanks!
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