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lori

lori 11/25/2010

2000 GMC Sierra 2500 SLE 8 Cyl 6.0L

Engine

loss of power - cuts out like it is out of gas

No power cuts out like out of gas-
Engine codes that come back are:
PO302-2 Misfire
P0327 and P0332-S Knock
P0171 and P0174- to lean
What needs to be replaced

2 Answers


david

david 11/25/2010

ck fuel pressure first

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Nissan Technical Advisor

For misfire, check the spark plug for excessive wear or replace it. Replace both knock sensors. And then run the engine for few hours then check it again if you still have P0171 and P0174 codes.

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