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Old 12-04-2019, 09:14 AM   #2
BV22
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Join Date: Feb 2011
Location: Texas
Posts: 2,166

2002 SC1
Default Re: P303 code with exhaust smell

Cylinder 3 is the most common one to burn a valve on the DOHC engine. This results in a severe loss of compression in that cylinder with accompanying misfires. The compression test will tell you if that is indeed the issue. Look up OldNuc's procedure for doing the compression test.
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BV22
2002 SC1 5M
RIP Sept 1 2018
315,344 miles
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