Question about 1986 Toyota MR2
Remove the throttle housing & spray some air intake/carb cleaner into all the little holes as these fill up with oil vapour & eventually starve the engine of oxygen. then spray plenty into the air manifold as this also collects plenty of oil vapour. that will solve the problem.
Posted on Nov 17, 2011
Its the ignition coil over heating when the lights r on it takes power away from the cole hence keeps running try a new coil
Posted on Oct 07, 2009
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Posted on Jan 02, 2017
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Engine stalls cold or RPM
fluctuates at idle up and down or dies near idle.
This problem is commonly caused by a dirty automatic idle speed control valve and throttle valve but always run a OBD2 fault code as well as the cleaning procedure. Buy a can of throttle valve cleaner (do not use carburetor spray cleaner!) from NAPA or Carquest (made by CRC chemicals) and spray it into the air intake while the engine is running, use up about 1/2 the can, engine will try to stall hold the speed up, shut it down and let it soak for 30 minutes, restart and blow out the remaining fluid, shut it down and disconnect the negative battery cable for 5 Min's to reset the base idle control. If the above cleaning doesn't cure your issues you need to have the computer controlled automatic idle speed control system diagnosed and repaired by a dealer or electronic engine control repair shop.
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