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1993 Pontiac Grand Am won't idle when hot

Tiny
STICKDISH
  • MEMBER
  • 1993 PONTIAC GRAND AM
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 150,000 MILES
I have a 93 grand am with a 3.3l. The car runs great except it will not stay running when hot. I ran a scanner on it and the only error it gave was code 66 the a/c is not working because I pulled out the compressor. I am thinking the T.P.S or the T.C.C. But I don't know where the T.C.C. Is located. If anyone has any ideas it would be appreciated. Thanks Pete
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Saturday, March 29th, 2008 AT 8:29 AM

1 Reply

Tiny
MASTERTECHTIM
  • MECHANIC
  • 4,749 POSTS
If it is the tcc it would stall violently when coming to a stop. If its tps you will most likely get a code 22. A couple things come to mind, check the pcv valve, its buried at rear of intake rear alternator and is hard to get to, these will often break causing idle problems, also have you cleaned the throttle plates yet. Get back to us
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Saturday, March 29th, 2008 AT 8:34 AM

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