Question about 2002 Chevrolet TrailBlazer
The engine started surging when it was cold was last week today it does it all the time and stalls will not idle at all there is no ses light on.Also three weeks ago in two degree weather the battery died while driving it towed it to a gm dealer he put a new alternator on it slso did a diagnostics check and all came up all good.thanks geo
Well chuck ur out of luck buddddddddd
looks like ur going to be pushin the car all the way home tonite..lol
Posted on Feb 03, 2009
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Posted on Jan 02, 2017
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Here are the common cause of idle surge, cold stalls, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours.
To correct this problem I want you to get a can of intake cleaner (ABOUT $5.00) from any local auto parts store like NAPA or Carquest, do not use carburetor spray, intake cleaner only or u will damage the Teflon coating inside the throttle valve and air bypass valve, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won
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