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1995 Jeep Grand Cherokee Laredo 5.2L Excessive Emissions
Posted to Chrysler Driveability on 11/9/2007 9 Replies

Vehicle failed smog check for slightly high HC/CO @ 2500/idl. Checked all the basics: All PCM sensors/data working correctly and PCM shows a low fuel inj pulse like it's trying to lean it down. Fuel pressure checks out ok and the 02 sensor reads a steady 900mV...

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car Vehicle Data

1995 Jeep Grand Cherokee Laredo

VIN 1J4GZ58Y8S
Engine5.2 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursAlways
Message Closed

car Vehicle Data

1995 Jeep Grand Cherokee Laredo

VIN 1J4GZ58Y8S
Engine5.2 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursAlways