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2004 gmc envoy_slt
546 Posts
Discussion Starter · #1 ·
p14---exhaust camshaft postion timing over advance bank 1
p16---crankshaft position-camshaft position-bank 1 sensor A

also i had my 4wd light come on but didn't see any codes for it(went out before i read them and didnt show history)

i'm hoping p16 is the reason i got p14 ..any help would be great i wanted to drive it into a pole this morning cause i have a bad ground and heard so much noise and feedback through the subs then 4wd light came on :suicide:

the check engine light will go off after a few drives but always comes back
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