Question about 2005 Chevrolet Tahoe
When we turn on the air conditioner, the engine starts missing and running really rough and the white smoke comes out of the exhaust. You can turn off the air conditioner and the problem goes away after a few minutes. Also the cooling fan comes on when the vehicle is sitting still without the engine on and runs the battery down. Do you have any ideals?
The fan coming on is a switch which is easly fixed ,but the white smoke is water thats for sure ,iam wondering in the ac condensate drain pipe is somehow running into the inlet air intake ---how i honestly dont know as in all truthfulness iam in spain so never seen under the bonnet of one.How its laid out and all that so you will have to have a look yourself and see if iam right
Posted on Aug 01, 2010
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Posted on Jan 02, 2017
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Engine stalling and rough run
issue at low speeds
This problem is commonly caused by a dirty automatic idle speed control valve and throttle valve. 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
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