P1405 DPF EGR Sensor upstream hose off or plugged or bad sensor
p1132 lack of HO2S-12 switching sensor
HO2S and sensor connection.
Vacuum systems.
Fuel injector and/or fuel injector circuitry.
Powertrain Control Module (PCM).
Electrical circuits (HO2S, HO2S GND, INJ 1-8, VPWR and SIG RTN).
NOTE:HO2S may be displayed on scan tool as 02S.
To prevent replacement of good components, be aware the following non-EEC areas may be cause of driveability concerns:
Ignition system.
Faulty evaporative emission system.
EGR and/or PCV system.
Air intake system.
Engine oil contamination.
Fuel system.
Exhaust system leaks or restriction.
Engine cooling system.
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Saturday, September 5th, 2009 AT 6:53 AM