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1994 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on
Posted to Chrysler Driveability on 3/17/2007 7 Replies

client brought vehicle in with check engine light on. scanned for codes, #21 o2 sensor not reading & o2 sensor shorted-high voltage. vehicle had original o2 sensor. checked current data with engine running, found o2 sensor reading at steady .2 volts. replaced ...

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  Related Documents & Media  1994 Jeep Grand Cherokee Laredo

 
Message Closed w/FIX

car Vehicle Data

1994 Jeep Grand Cherokee Laredo

VIN 1J4GZ58S6R
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

21high o2 sensor voltage
Message Closed w/FIX

car Vehicle Data

1994 Jeep Grand Cherokee Laredo

VIN 1J4GZ58S6R
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

21high o2 sensor voltage