Mechanic ran diagnostic and concluded check engine light was caused by faulty fuel pump and sensor, replaced and after a week the light has come back on.
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2005 Chevrolet Uplander Question: What would make check engine light come back on a week after fuel pump replaced?
Answer #1mastertech6371 January 21, 2012, 08:27Master
there is no code for the fuel pump. there is one for circuit issue but not the pump. a code never identifies a bad part, just a failed system.
get it re checked and correctly diaged.
Replyaljr1960, January 22, 2012, 07:41Rookie
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