
2003 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on
I have scanned this unit and found the front O2 B1/1 does not respond as fast as the rear B2/1. Voltage on both start at 4.98 the rear drops to .05 within about 5sec. The front takes about 1 minute. I have checked for voltage to the heater has 12volts when act...
FIX posted 2/16/2009
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Message Closed w/FIX
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VIN | 1J4GW48S53 |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Trouble Codes
P0132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High Voltage |
P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction |
Message Closed w/FIX
Vehicle Data
2003 Jeep Grand Cherokee Laredo
VIN | 1J4GW48S53 |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Trouble Codes
P0132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High Voltage |
P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction |