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92 Grand Prix, 3.1 L, no power
Posted to Technical Discussion Forum on 2/1/2003 46 Replies

Hi, thank's in advance for all replys.

Complaint is no power, engine bogs above 3,000 rpm in park or in drive. No codes, scan data looks good , 02 reads rich during bog. Exhaust backpressure is 0psi at idle , .5psi at 2000 rpm and 1.5psi at WOT.

CO during ... Login to read more.

46 Replies Received (View Replies)