Quote:
Originally Posted by 1963SWC
Maybe one of you has had this issue and can help me identify the piece of equipment that is causing this.
Start the car when cold and the car runs and acts normal and runs great as long as you keep it running. If you never cut the ignition off you can drive the car for 30 minutes or longer with normal operation. If you kill the car and immediately restart the car, the car starts but is very fat, 200 rpms slower than normal and you can small the unburned fuel and if you attempt to drive it, very poor throttle response and it pops constantly.
I have tried to cut off and back on again very fast multiple times and the condition still exist. Let the car cool down completely and the first start you are good to go, until you cut the car off and restart, back to the same fat condition and popping.
Bad O2 sensor? WUR? AAR doing something crazy? It has to be something electronic that re-measures after it warms up and changes setting, I guess.
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Is this on your '87 930? Do the 87's have a "frequency valve?" If so, unplug it when you try to restart in hot condition.
If the car starts easier, chances are you will need to adjust the idle screw on your air meter(back it out a full turn)