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1997 Pontiac Firebird Engine cuts off unexpectedly

Tiny
ERNESTV
  • MEMBER
  • 1997 PONTIAC FIREBIRD
  • V8
  • 2WD
  • AUTOMATIC
  • 124,000 MILES
I had my car in for service without a solution. As I'm driving along either on expressway and it also happen while just standing at a light my car will cutoff without any warning. Initially it would start right back up, now it takes about 3-4 minutes before it starts. The last time it started hesitating before it finally cutoff. No codes are set. I've has a tuneup, fuel pump installed. But it seems to be getting more frequent. What about the ECM?
Thank you,
Ernest
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Tuesday, February 19th, 2008 AT 6:07 PM

3 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
For starters have the PCM (computer) scanned for codes, Autozone will do it for free. If the PCM sees a problem it will store a code that will help in diagnosing the problem, get back with the exact codes. When it wont start, is it lacking fuel pressure or spark?
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Wednesday, February 20th, 2008 AT 7:16 AM
Tiny
ERNESTV
  • MEMBER
  • 2 POSTS
There are no codes being set. Had them checked out by a NAPA mechanic. Fuel pressure and spark have been checked OK.
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Sunday, February 24th, 2008 AT 3:27 PM
Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
I would lean toward the ignition module. Sometimes when they get hot they will short out, but work again when cooled down
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Monday, February 25th, 2008 AT 7:31 AM

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