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Old 06-08-2010, 01:46 PM   #17
bighaas79
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Join Date: Nov 2008
Location: manly iowa
Posts: 390
Re: 2001 suburban starting issues

Quote:
Originally Posted by clinebarger View Post
All the misfires on one side make me think catalytic converter. Gen III engines have bulletproof ignition systems, I havnt seen a coil pack go bad yet, Plugs/wires thats it. The hard start sounds fuel related though.
I have to agree with you on the ignition system part, I also have yet to see a coil go bad on one of these engines. Fuel or air/fuel mixture issues are a more likely culprit here.
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