well, it looks like its gonna be process of elimination. start swapping out parts. remember, certain parts are hard to come by... disconnect the AFM and see how the car runs.
some of things you can start checking:
air intake leaks
fuel injectors clogged or not opening
fuel pressure to low
air flow sensor flap binding
coolant temp sensor faulty or faulty wiring
throttle switch incorrectly adjusted or faulty
idle mixture incorrectly adjusted
idle speed control system faulty
incorrect ignition timing
poor fuel quality- water in fuel
cold start system operating all the time
faulty L-Jetronic or Motronic control unit (DME)
Last edited by Ceeker; 06-25-2014 at 06:29 PM.