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06-03-2014, 07:33 PM
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#4 |
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Senior Member
Join Date: May 2009
Location: Fort Worth, TX
Posts: 6,370
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Re: 2001 Suburban 2500 strange stumbling/missing
I can guarantee it's NOT the tune, A 5.3L will run fine on a 6.0L tune & vise versa.
Possible causes. Bad Mass Air Flow senor. Check for holes/crack in the intake tract. "Open" in the wiring between the MAF & PCM. Clogged converter/s. (Not likely on an intermittent issue). |
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