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2013 Chevrolet Suburban
Platform: GMT 400, 800, 900

Fuel Issues - 98 Suburban

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Old Aug 30, 2018 | 8:45 AM
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Originally Posted by 73shark
Are you saying that the fuel pump has no pressure even with voltage applied to it from the PCM?
No, it has plenty of fuel pressure. Did some more checking, reason vehicle wouldn't start is that after replacing the PCM I forgot to relearn the passlock module. Oops.

Still have an issue with turning the key off, and for a few seconds the fuel pump relay gets energized by the PCM.
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