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1998 Pontiac Grand Prix wont start sometimes !

Tiny
SETTERGRENH
  • MEMBER
  • 1998 PONTIAC GRAND PRIX
  • 3.8L
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 180,000 MILES
I have a 1998 Grand Prix GT 3.8 ltr that starts mostly all the time but once in a while it wont, If I let it sit for awhile then try to start then it will, It happened today the first time in a couple months ! What do you think the problem is ! Thank You !
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Tuesday, July 21st, 2015 AT 3:31 AM

5 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check battery for condition including load test and clean battery terminal ends first.
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Tuesday, July 21st, 2015 AT 6:08 AM
Tiny
SETTERGRENH
  • MEMBER
  • 74 POSTS
I'm sorry but I forgot to say that it turns over strong just don't start, so I know it's not the battery!
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Tuesday, July 21st, 2015 AT 9:53 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Try a different key if you have one as yours the diode may be bad in it. Then check fuses under hood then scan for codes
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Tuesday, July 21st, 2015 AT 12:02 PM
Tiny
SETTERGRENH
  • MEMBER
  • 74 POSTS
Did my car originally have a keyless entry, Because when I bought it, the previous owner didn't give me one, and the keys he did give me don't have the diode inside, Could that be the problem?
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Tuesday, July 21st, 2015 AT 1:04 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
If y don't have the diode try what is in pic.
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Tuesday, July 21st, 2015 AT 1:48 PM

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