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Code P0171 and P0174

dawgfan

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dawgfan Enthusiast

dawgfan

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Are these indicative of my fuel punp going bad? I think they are System too lean and mean lacking enough gasoline?

anumber1 Enthusiast

anumber1

Posted
Posted

It is perhaps low fuel pressure but more likely failed intake manifold gaskets.

 

Check your fuel pressure. Gonfrom there.

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