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My 2001 Grand Prix has the 3.1 v6. I have a frequent but ...


Sent to Car Experts November 01, 2005 4:20 p.m.
My 2001 Grand Prix has the 3.1 v6. I have a frequent but intermitten problem starting the engine. I can hear the fuel pump running when the ingition switch is turned to the maximum just short of engaging the starter. The battery & starter are good. I thought possibly the fuel filter was at fault and replaced it. On those occassions when it does start, it seems to be after it has had time to cool down and once started the engine runs good without any signs of a problem. Can you suggest what to look for?
Customer (name blocked for privacy)
Status: Closed   Value: $10   
Info Request
November 01, 2005 5:19 p.m. (59 minutes and 15 seconds later) 		REPLIED to Info Request Check Mark
Is the security light flashing during the no starts?Is the check engine light on when it's running?

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PictureDavo  -- Master technician -- 100% Positive Feedback on 1868 Car Accepts
ASE Master Technician/Advanced Automotive Diagnostic Technician
Reply to Davo/diablo666
Sent November 01, 2005 5:47 p.m. (28 minutes and 3 seconds later)
no on both
Customer (name blocked for privacy)
Info Request
November 01, 2005 6:30 p.m. (42 minutes and 13 seconds later)
You are going to have to check for spark,fuel pressure and injector pulse during the failure that will lead me in the correct diagnostic direction.

__________________
Master ASE Certified.L1 Advanced Engine Performance Certified.Pa Emission Repair Technician.Just Answer Car Category Mentor.
PictureDavo  -- Master technician -- 100% Positive Feedback on 1868 Car Accepts
ASE Master Technician/Advanced Automotive Diagnostic Technician
Reply
Sent November 01, 2005 6:49 p.m. (19 minutes and 6 seconds later)
how do you check for spark,fuel pressure and injector pulse?
Customer (name blocked for privacy)
Answer
November 01, 2005 8:45 p.m. (1 hour and 55 minutes later)
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PictureDavo  -- Master technician -- 100% Positive Feedback on 1868 Car Accepts
ASE Master Technician/Advanced Automotive Diagnostic Technician

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