I'm getting codes P0135 and P1132. P0135 being an O2 Sensor heating circuit malfunction (Bank 1, sensor 1) and P1132 is a Fuel Air Metering malfunction. What seems to be the problem here? I've already replaced that O2 sensor and the MAF.
I'm getting codes P0135 and P1132. P0135 being an O2 Sensor heating circuit malfunction (Bank 1, sensor 1) and P1132 is a Fuel Air Metering malfunction. What seems to be the problem here? I've already replaced that O2 sensor and the MAF.
P1132 - Lack of HO2S-11 Switch, Sensor Indicates Rich A HEGO sensor indicating rich at the end of a test is trying to correct for an over-lean condition. The test fails when the fuel control system no longer detects switching for a calibrated amount of time. See Possible Causes for DTC P1130 Electrical:
Short to VPWR in harness or HO2S
Water in harness connector
Open/Shorted HO2S circuit
Corrosion or poor mating terminals and wiring
Damaged HO2S
Damaged PCM
Fuel System:
Excessive fuel pressure
Leaking/contaminated fuel injectors
Leaking fuel pressure regulator
Low fuel pressure or running out of fuel
Vapor recovery system
Induction System:
Air leaks after the MAF
Vacuum Leaks
PCV system
Improperly seated engine oil dipstick
EGR System:
Leaking gasket
Stuck EGR valve
Leaking diaphragm or EVR
Base Engine:
Oil overfill
Cam timing
Cylinder compression
Exhaust leaks before or near the HO2S(s)