alright guys, ive got an 89 325i that took a 3 year hiatus to rebuild some things.
after about a week or so of driving, when i come to a stop or just let the car sit the idle will be around 500rpms. now, if i get out of gear and coast to a stop it will stay at 650 for about 5 seconds then drop to 500 again. i can coast the car for an infinite amount of time, but 5 seconds after i stop it will drop to 500.
what would cause this?
all new hoses, tps correctly adjusted, afm working, iac working, and no vacuum leaks. stock ecu no chip
after about a week or so of driving, when i come to a stop or just let the car sit the idle will be around 500rpms. now, if i get out of gear and coast to a stop it will stay at 650 for about 5 seconds then drop to 500 again. i can coast the car for an infinite amount of time, but 5 seconds after i stop it will drop to 500.
what would cause this?
all new hoses, tps correctly adjusted, afm working, iac working, and no vacuum leaks. stock ecu no chip
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