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2013 isx15 3375 fault. Excessive regen. 2013 peterbilt 386.
Exhaust removed, when you rev up and let off the throttle engine white smokes just before it comes back to idle. Replaced fuel control valve, fuel rail pressure sensor, egr diff pressure sensor, exhaust back pressure sensor. Cleaned egr cooler and valve, adjusted valves. Updated software. Cleaned dpf. Doc is spotted. Not horrible. Dpf looks good. 240,000 miles smoke smells like fuel. Driver recently claims engine is used by oil. Unable to verify yet. Regen log shows every 2 hours. … read more
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Meet the Experts:

Daniel Wilson

Daniel Wilson

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I am ASE Master Truck Certified.

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