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Why does my car sputter and hesitate when at running temp?

Tiny
TWAN3300
  • MEMBER
  • 1995 CADILLAC DEVILLE CONCOURS
  • 17,800 MILES
I have a 95 cadillac Concours and when I start it cold and drive it will run fine but after about 15 min or at running temp the car will began to hesitate, sputter and eventually cut out. I have to keep cutting it off and on to get where Im going. Does not run hot, no milky foam under my oil cap. Please help.
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Thursday, September 20th, 2012 AT 7:52 PM

3 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Check fuel pressure. Could be low from failing pump.

Start there

Roy
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Thursday, September 20th, 2012 AT 7:55 PM
Tiny
TWAN3300
  • MEMBER
  • 2 POSTS
Is it common for those symptoms to fall under the fuel pump? If so I will have it changed, thank you so much for your help
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Thursday, September 20th, 2012 AT 8:20 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Do not throw any parts till you determine the failure. Go through the checks first. Guessing is expensive and most of the time wrong

Roy
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Friday, September 21st, 2012 AT 12:40 AM

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