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lori 11/25/2010
2000 GMC Sierra 2500 SLE 8Cyl6.0L - 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
  • 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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