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Engine Slow to Start After Sitting

Forum: C4 Engines, Driveline and Handling

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Engine Slow to Start After Sitting

Posted: 9/28/14 6:28amMessage 1 of 5
s
Former Member
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Pensacola, FL - USA
Joined: 9/25/2014
Posts: 4
Vette(s): 1989 Coupe

89 w/L98 TPI 85K, after sitting overnight it take several seconds of cranking to start. Seems like the fuel pressure is bleeding down as it sits that long but that's just a guess.

It can sit for a few hours and start right up but overnight it take some turns. I've only had it since Thursday so I'm not real familiar with it yet.

Opinions?

Rick

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Re: Engine Slow to Start After Sitting

Posted: 9/28/14 9:12amMessage 2 of 5
B
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Joined: 3/20/2009
Posts: 690
Vette(s): Black 1979 L-82 Black 1996 LT1 Black 1999 Coupe

some parts stores will loan you a fuel pressure gauge @ n/c....


check when :

running

1-turn off and note pressure


2-wait an hour --note pressure-- start and note pressure again.


3-leave over night and note pressure before starting.


start and note pressure. repeat 1/2



this will inform you of bad fuel pump or bleed valve/one way valve

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Re: Engine Slow to Start After Sitting

Posted: 9/28/14 7:10pmMessage 3 of 5
s
Former Member
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Pensacola, FL - USA
Joined: 9/25/2014
Posts: 4
Vette(s): 1989 Coupe

Thanks, will do.

Rick

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Re: Engine Slow to Start After Sitting

Posted: 10/6/14 9:30amMessage 4 of 5
T
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somerset, NJ - USA
Joined: 9/5/2014
Posts: 2
Vette(s): 1986 c4 indy pace car
Probably the number 9 injector.. cold start injecor.. either bad or fuse popped..
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Re: Engine Slow to Start After Sitting

Posted: 10/6/14 9:31amMessage 5 of 5
T
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somerset, NJ - USA
Joined: 9/5/2014
Posts: 2
Vette(s): 1986 c4 indy pace car
On passenger side
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