Question about 1991 Pontiac Sunbird

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1991 Pontiac Sunbird

I recently purchased a 1991 pontiac sunbird 2.0 and the check engine light came on and it started running rough. I checked the codes and I get 4 different codes. I get a 12,15,34 and 45. It is now hard to start and after it does start, it will run rough for a while and then after shutting it off, it will not restart until it is completely cool again. Any suggestions?

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The codes you are giving are not complete... if you used an obdII you should have letters along with code.. check full fault code and go from there..

Posted on Aug 24, 2008

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