05 losing power
sorry if im posting this in the wrong place,but my teacher has a 05 duramax pretty much stock.only mod is a bully dog chip...he says here lately it just doesnt have the power it used to...any ideas where to look?
he just changed oil and air filter.said it has been a while since he changed fuel filter,maybe a year,but not too long...any ideas on what else could be checked? sorry about lack of info,i dont know much about truck.thanks for any and all info |
change the fuel filter if not it could be a weak pump and then id just add a lift pump such as airdog
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also check/clean the maf sensor
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