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MBarger

mbarger
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mbarger New Member

mbarger

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2008 Chevrolet Silverado bought new, now has 140,000.

Hard starts, have replaced throttle body, reprogrammed . Later code up for MAP and MAF. Replaced both. Still intermittent hard starts throwing MAF and MAP. Replaced fuel pump. Started right up first time then within 30 minutes hard start, lots of cranking and starter seems to hang. I'm lost.

 

 

dna9656 Enthusiast

dna9656

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Posted

Fuel pressure regulator? Did you replace the spark plugs at 100k miles? I'm not suggesting that the spark plugs are the cause of the problem; I'm just asking.

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