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05 Cadillac deville codes P0121,P0171,P0174,P0386,P1372,P1811how to fix
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asked
Jan 12, 2017
by
Jesus Gonzalez
need to know what these codes mean
Vehicle:
2005,Cadillac,Deville 4.6
p0121
p0171
p0174
p0386
p1372
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answered
Jan 13, 2017
by
Reynaldo
(
13.4k
points)
P0121 Throttle position (TP) sensor circuit
P0171 Fuel trim lean Bank 1
P0174 Fuel trim lean Bank 2
P0386 Crankshaft sensor B Performance
P1372 Crankshaft sensor A - B correlation
You have to code that set both state that CKP sensor B is not seen, Its a better approach to resolve that code first
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