Quote:
Originally Posted by texomawaves
I got a P1126. I also got a P1124 (fuel pump relay final stage). These two always come in at the very same time. I figured I'd know it if I had a fuel pump issue. I've replaced O2 sensors in the past, so I figured I'd attack that issue first, then see if the CEL comes back. Thanks! Chris
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Sorry, but neither of those codes are necessarily fuel pump relay related. Both codes indicate that O2 sensors on both cylinder banks are running so lean that the DME cannot make up for it. Most often when you see this, it is not a fuel delivery issue, but a vacuum leak in the intake system.
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Last edited by JFP in PA; 02-20-2013 at 09:57 AM.
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