Engine Stalls, Misfire Code, & Cylinder Misfire
Engine Stalls, Misfire Code, & Cylinder Misfire Troubleshooting Car Problems The engine may be stalling because it isn’t getting enough throttle opening. The cause is often a problem in the idle air control system. In many instances, stalling ends up being an idle control motor at its limit or a failed motor. Engine Stalls (Check Engine Light May or May Not Be On) Stalls typically occur when the engine is idling or slowing. If the Check Engine Light comes on, you may find any of the following codes: P0505 to P0509 idle control circuit codes P0335, P0336, P0337, P0338, P0339 crankshaft position sensor codes P0171, P0174 lean fuel condition codes P0400 to P0409 EGR related codes The engine may be stalling because it isn’t getting enough throttle opening. The cause is often a problem in the idle air control system. Other possibilities include a dirty throttle body, vacuum leak, incorrect ignition timing (retarded), bad gas (water or other contamination), an A/C ...