stumble on hot restart

[zavetsky]

From time to time, I have a rough idle after retsrating hot.....For instance...I drive about 10 miles, park it, come back in 10-15 minutes and when I start her up she stumbles and ALMOST feels like a miss.....After letting it idle or just driving for a bout 30seconds or so it clears up....

It doesnt always do this, so I have mostly let it go...

Any thoughts??

DZ

 

[Opera House]

Probably fuel leak down

which causes a bubble to form in the fuel rail. You should be able to hold 20# pressure in the fuel rail for a half hour. Likely the result of leaking FPR or injector. If you don't have access to a pressure gauge, try turning on the key for a few seconds three times. This will allow the pump to flush out the bubble.

 

[zavetsky]

Re: Probably fuel leak down

Thanks for the reply.....I do have a fuel pressure gauge....I guess I will check the pressure as you state......thing is, it doesnt always happen...maybe it IS a leaky injector that is sticking sometimes????

Seems like a FPR would be constant....maybe not....

If it turns out that my pressure is dropping, what is the best way to check the FPR?

Originally posted by Opera House
which causes a bubble to form in the fuel rail. You should be able to hold 20# pressure in the fuel rail for a half hour. Likely the result of leaking FPR or injector. If you don't have access to a pressure gauge, try turning on the key for a few seconds three times. This will allow the pump to flush out the bubble.

 

[Opera House]

No way to check FPR

Mine was very intermitant. The engine would even stall on fast right turns. Every day the engine would almost die on the same exit. I monitored the fuel pump current and everytime the current would drop just before the engine would die. Never really knew what the problem was till I cut open the the old regulator. Found a bevel worn on one side caused by the non centered spring. Sometimes it would slide over and stick open.