SOURCE: diagnostic code #'s p0174,p0171
oxygen sensors are telling you that the mixture is too poor on ur sistem need to check its behaviour and see whats causing that lean mixture
hoope this helps
SOURCE: I'm getting a DTC of P0171 and P0174. System to lean bank 1 & 2.
your car is probably running rough
its sucking air from the intake mininfold
is your intake maninfold plastic? but your veicle is defenetly having a vaccum problem
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