
1993 Jeep Grand Cherokee Limited 5.2L MIL Lamp on
After reviewing other help requests we tested the power and ground circuits to the oxygen sensor. The ground circuit showed .2v drop on the ground circuit to the battery. We located and cleaned the ground circuit on the right fender along with all of the groun...
FIX posted 11/8/2005
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Message Closed
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VIN | 1J4GZ78YXP |
Engine | 5.2 L / 8 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI / EFI |
Emissions | Federal |
Symptoms | MIL Lamp On |
Occurs | Cold, Intermittently |
Trouble Codes
21 | Oxygen sensor shorted or Voltage over 1.2v |
Message Closed
Vehicle Data
1993 Jeep Grand Cherokee Limited
VIN | 1J4GZ78YXP |
Engine | 5.2 L / 8 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI / EFI |
Emissions | Federal |
Symptoms | MIL Lamp On |
Occurs | Cold, Intermittently |
Trouble Codes
21 | Oxygen sensor shorted or Voltage over 1.2v |