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frederick2005

May 26th, 2014 9:06 AM

Air Intake Engine Light Woes

2005 TrailBlazer LS 100K miles w/K&N air filter, Lucas fuel injector cleaner 1/mo. traces of burnt fuel on throttle body plate. Engine light comes on & off 2/mo. Diagnostics = air intake. Any Suggestions ?

tech2

May 26th, 2014 8:24 PM

find out what codes are setting and post them here.

probably egr/pvc gases hit the cold throttle plate...time for a throttle body clean.

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