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Originally Posted by edwcdc
Hey folks, this is my first post. First let me say thanks to the members of this forum for all the great information.
I just put a new fuel pump in my truck and now I am getting a check engine light. The code is P0175 and if I recall P0172. I may be wrong on the second code. Whatever it was it says the left and right bank is too rich. The only other thing I changed in the truck was the rotor button. I did this when it first died on me because a friend suggested it and the old fuel pump was still coming on. Turns out it wasn't giving me enough presure.
When I first installed the fuel pump she ran fine but a day later I got a rough idle and a check engine light.
I appreciate any help.
Ed
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Fiest thing get a fuel pressure gauge on it and make sure fuel pressure is at specs with no fast leak downs.
Post back what engine and fuel pressure readings.
MT