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Old 11-18-2011, 10:40 PM   #10
jaykirs
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Join Date: Oct 2004
Fan#: 13947
Location: Houston, Texas
What I Drive: 2004 Infra-Red ZX3 SVT

Posts: 3,860
FF Reputation: 1 jaykirs Good Standing Member
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Quote:
Originally Posted by SPRAYPAINT View Post
Why is it that EVERYONE is first to say "check the oxygen sensor". Not just on forums but at my shop. Miss fires are not caused by these, lean conditions are not ALWAYS caused by this, rich conditions are NOT always caused by this...... you get my point.

GET IT CHECKED OUT BEFORE YOU SPEND ANYMORE MONEY!!!
Just to let you know, I did get CEL's a little while back and both had to do with both O2 sensors. I figured that was the problem and replaced them. My car ran smooth as glass after that, but soon fell right back into the surging crap. I have no CEL's at this time. I miss my custon tune, it runs SOOO much better with it! It will start out great with the custom tune re-installed, run like a charm, perfect, then soon start that surging crap. But even worse than with the crappy stock tune. .....
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