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08-11-2021, 06:53 AM
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Equal opportunity joke ofender
 
Join Date: Oct 2011
Location: Eastern Shore of MD
Posts: 9,887
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06 chevy express codes
My van is at it again. It will throw code po430 after about 50 miles of driving and kick the check engine light on a short time after that the light will start flashing when it kicks the code for random misfire and will continue to flash in longer cycles. I have not noticed any reduction in power or rough idle. Only thing I have noticed is that my fuel mileage has dropped from 11 to 9 mpg.
Motor is a 6.0 and auto. Issue started right after I had the AC recharged and used it the 1st time. I have not used it since just trying to figure this out 1st. I took it to a local shop the other day and they said I would need to take to dealer to figure it out. I suspect they just did not want to work on it. Any ideas before I end up at the dealer? Thanks Richard
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