isx black smoke, fuel knock, engine year 2009 running rough
09-18-2019, (Subject: isx black smoke, fuel knock, engine year 2009 running rough ) 
Post: #2
RE: isx black smoke, fuel knock, engine year 2009 running rough
Maybe some history on it?

Miles?

is it de-mandated (deleted)? - If not, what does the regen hstory look like?, etc.

Air filters been changed? - CAC and intake tested?

When did it start? - was it progressively getting worse?

Did you adjust the valves and injectors before doing the bubble test(s)?

Did you replace the injectors that were leaky?

Has anyone checked to see if a cam has slipped?

Cams look good?

What is the boost and pyro doing?

Anyone bother to put 10 psi on the fuel tanks and check for lines leaking, places where it could be sucking air?

Anyone bother to replace IMAP and other important sensors?


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RE: isx black smoke, fuel knock, engine year 2009 running rough - Rawze - 09-18-2019



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