Question about 1993 Chevrolet Lumina APV
Engine will stall while driving at slower speeds. It will sometimes start right back up while other times it will take several cranks to start. Also sometimes it will not start after it has ran for a while, leave it for at least a few minutes, andthen go backand try to start it.
TCC solenoid could be bad,, try first unplugging the 4 wire blue clip of the TCC located at the front of the transmission,, if this fix the problem so then have the solenoid changed by experts,, do not leave it just unplugged.
Posted on Mar 16, 2009
Sounds like the Idle Air Controller needs to be cleaned or replaced. Check to see if it is dirty and slow to function, if it is, pull it off and clean it with chlorine free brake cleaner, let it dry then give it a small shot with silicone spray lube. This is what cured my issues with hard start and stalling.
Posted on Nov 13, 2008
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Posted on Jan 02, 2017
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Dec 17, 2012 | 1999 Mazda 626
You can in most cases repair this slow speed stall or unstable idle by cleaning the engine throttle valve and the idle speed control valve using a product called CRC Spray Throttle valve cleaner. Spray the cleaner into the air intake of the engine with the hose removed from the throttle body, the engine will try to stall so hold up the idle speed manually. Once you have used up about 1/2 can of the cleaner stall the engine out while spraying and turn the key off, disconnect the negative battery cable for 5 minutes and then reconnect and drive the car for a about 25 miles of varied driving modes. If this doesn't cure the problem you may need the fuel injectors professionally cleaned by the dealer service dept.
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