93 Deville Trans slipping?
Car runs fine at idle and WOT, only under partial throttle and light load does it surge/slip/buck/misfire. No computer codes. Dealer said transmission was slipping and replaced it and computer (ECU) - same problem. Replaced plugs, wires, dist. cap and rotor, ignition coil and oxygen sensor - same problem. Been to several diagnostic shops - no answers. What are the odds of a new transmission having the exact same problems as the old transmission? I'm beginning to think maybe the dealer charged me for a new transmission but didn't install it. Any ideas?
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Has anyone checked the EGR system?
It is possible the torque converter is causing the problem, but that usually ONLY occurs during lock-up apply...not once the converter is fully applied, and not under steady driving conditions. The description sounds more like an EGR problem to me. Or possibly a vacuum leak somewhere. The transmission cannot cause a misfire. |
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