1994 Jeep Grand Cherokee Laredo 5.2L
this car come with check engine light on code 21 oxygen sensor shorted high also runs rough and black smog from tail pipe check for short to ground OK replace O2 SENSOR light come again and also replace oem pcm computer from dealer same problem need help
FIX posted 6/16/2014
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Message Closed w/FIX
Vehicle Data1994 Jeep Grand Cherokee Laredo
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Message Closed w/FIX
Vehicle Data
1994 Jeep Grand Cherokee Laredo
VIN | 1J4GZ58Y9R |
Engine | 5.2 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |