1994 Jeep Grand Cherokee Laredo 4.0L Excessive Emissions
94 Jeep Grand Cherokee NOX Problem - Started out the jeep failed smog High NOX. The cat just rattled in it's Case. Replaced the Cat with an aftermarket, and it failed NOX at 15mph only 850ppm. Just barely failing. We put on a heavy duty Cat. and the Jeep faile...
FIX posted 3/10/2004
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Vehicle Data1994 Jeep Grand Cherokee Laredo
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Vehicle Data
1994 Jeep Grand Cherokee Laredo
VIN | 1J4GZ58S9R |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Symptoms | Excessive Emissions |
Occurs | Always |