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1990 Jeep Cherokee 4.0L Excessive Emissions
Posted to Chrysler Driveability on 1/7/1998

Customer failed emission test with CO at cruise. Scoped and scanned computer. Found O2 sensor not cycling and poor pattern on secondary ignition. Replace O2 sensor with O.E. Replace dist. cap, rotor and plug wires. Still failing CO at cruise. Rescan, found com...

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car Vehicle Data

1990 Jeep Cherokee

VIN 1J4FJ58L3L
Engine4.0 L / 6 cyl
EmissionsUS FEd. Emissions
SymptomsExcessive Emissions
OccursAlways
Message Closed

car Vehicle Data

1990 Jeep Cherokee

VIN 1J4FJ58L3L
Engine4.0 L / 6 cyl
EmissionsUS FEd. Emissions
SymptomsExcessive Emissions
OccursAlways