Question about 2003 Buick LeSabre
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Posted on Jan 02, 2017
had same problem i would check the Idel Air Valve and also check all of your vaccum hose lines makeing sure there are no cracks or splits in rubber connectors if there is repair immediatelt because over time they start to dammage the internal parts fo the engine and if youve replace tps mass air etc. sounds like a vaccum hose problem
Posted on Feb 10, 2009
hi, some cars have a HEATER FLAP. if not CLOSING then cold air will be blown in. LEAVE ENGINE OFF and check the lever and listen for the SLAP of the flap CLOSING. the control cable is faulty. or the ELECTRONIC HEATER CONTROL NOT WORKING or the HEATER RADIATOR (UNDER DASH is BLOCKED). or AIR in SYSTEM. needs bleeding. gerry
Posted on Sep 13, 2010
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