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1994 Jeep Grand Cherokee Laredo 4.0L Excessive Emissions
Posted to Chrysler Driveability on 1/27/2004 19 Replies

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...

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car Vehicle Data

1994 Jeep Grand Cherokee Laredo

VIN 1J4GZ58S9R
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsExcessive Emissions
OccursAlways
Message Closed

car Vehicle Data

1994 Jeep Grand Cherokee Laredo

VIN 1J4GZ58S9R
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsExcessive Emissions
OccursAlways