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Old 09-18-2013, 06:27 PM   #1
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Can Bad Gas...

Throw P0171? Yes I've google it and understand what it means. I'm running to lean. Just curious how this can happen. And seeing what solution have you guys done to fix it.
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Old 09-18-2013, 09:28 PM   #2
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Old 09-18-2013, 10:09 PM   #3
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Clean the MAF sensor. I find it's best to take it off and spray it with electronics cleaner or brake cleaner. Make sure you are careful not to damage the MAF sensor, and make sure it's dry before reinstalling. Inspect all vacuum and PCV hoses, replace/repair as required Inspect all hoses and connections in the air intake system Inspect and/or test the intake manifold gaskets for leakage Check for a dirty fuel filter and proper fuel pressure
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Old 09-18-2013, 10:32 PM   #4
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do you have a 4.2?
mines running lean and I think it might be because of that, or maybe the egr...
I'm thinking it's my 4.2 though.
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