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- if bank 1 and 2 are running lean and there is a random misc. cylider misfire and also the fuel press...
if bank 1 and 2 are running lean and there is a random misc. cylider misfire and also the fuel pressure is lower than normal what could that be. i changed the fuel filter reset the code n it came back
1 Answer
John answered 5 months ago
Bad fuel pump bad fuel pressure regulator. The low fuel pressure is causing the lean codes and random cylinder misfire. Fix the fuel issue and it will fix all three codes.
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