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1995 Cadillac EL Dorado Hard starting sometimes when warm

Tiny
BENROTH
  • MEMBER
  • 1995 CADILLAC ELDORADO
  • V8
  • 2WD
  • AUTOMATIC
  • 106,000 MILES
Engine will always start in a couple revolutions of the engine when cold. The same applies when warm if it is restarted within 5 to 10 minutes. If left longer when warm, engine will crank and crank. Once it cranks and cranks, if I try it again it starts. My dealer installed new fuel pump last year. It almost seems if there is a vapor lock or a sensor problem when warm.
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Friday, November 14th, 2008 AT 12:38 PM

2 Replies

Tiny
MASTERTECHTIM
  • MECHANIC
  • 4,749 POSTS
I would check the fuel pressure regulator to make sure its not leaking fuel into intake causing a flooding condition. Remove vacuum line to it and if there is any sign of gas then replace it.
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Friday, November 14th, 2008 AT 3:21 PM
Tiny
MMATSELA
  • MEMBER
  • 3 POSTS
I had a similar problem and it turned out to be only a dirty fuel filter which was clogged by a rusted fuel tank, which I then had cleaned up. To prevent the tank from further rust I try to fill it up to the maximum as often as possible(and believe that no matter what the fuel price might be it's always a bargain when you drive a V8)
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Sunday, March 1st, 2009 AT 2:41 AM

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