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2005 GMC Jimmy misf...
 
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2005 GMC Jimmy misfire underload

  

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Hey Scotty 🫡

 

I have a 2005 GMC Jimmy with 144444 kms on it. When I'm on the highway I'll get a flashing engine light and a p0301 OR p0300 code between 80-100km/h (usually just on hills)

Ive changed my sparkplugs, wires, ignition coil, distributor and MAF (unused to get a MAF code, that's gone after replacing)

 

Any ideas? I've heard I may have to do a cam retard relearn after replacing the distributor (I only have the bluedriver scan tool, and I can't access that data with it)


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please check the FAQ and see if that helps


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