Question about 2001 Chevrolet Impala
Posted by Anonymous on
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Posted on Jan 02, 2017
there are a couple of things, first make sure there are not restriction in the exhaust, i know the dealer has had to replace converters under warranty because of this problem, then theres a reflesh program for the computer due to this problem, and lastly,run with egr off make sure it clean of carbon,carbon gets stuck in pintle sets check eng lightbut carbon then blows by so when you remove egr you see nothing, well start with these good luck.
Posted on Nov 28, 2009
There is a switch relay that plugs behine the ignition switch cylinder.You would have to take apart the dash console to take it apart to replace it.Also helps solve a few problem on the 2001 chevrolet impala, with heat gauage not working and a/c not blowing cold air anymore.Replacing it, should fix the problem with that.
Posted on May 18, 2010
Tips for a great answer:
Sep 01, 2015 | Cars & Trucks
Sep 05, 2011 | 2001 Chevrolet Impala
this obd2 trouble code table can help you understand the meaning of code.
for p0446, you can try:
Replace Vent valve
Repair open, short, or resistance problem in control circuit
Repair open, or short, or resistance problem in power circuit
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