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1989 Jeep Cherokee 4.0L Excessive Emissions, Poor Fuel Economy
Posted to Chrysler Driveability on 11/26/1999

Hi fellow techs, Problem is as follows: Engine warms up a higher than normal idle speed, approx 1200. As it goes into closed loop, integrator quickly shoots to 255 and then pops into open loop. Tps is barely out of spec on the high side at .76volts, all ot...

  Related Documents & Media  1989 Jeep Cherokee

 
Message Closed w/FIX

car Vehicle Data

1989 Jeep Cherokee

VIN 1J4FJ28L1K
Engine4.0 L / 6 cyl
Emissionscalf.
SymptomsExcessive Emissions, Poor Fuel Economy
OccursAlways
Misc.4X4
Message Closed w/FIX

car Vehicle Data

1989 Jeep Cherokee

VIN 1J4FJ28L1K
Engine4.0 L / 6 cyl
Emissionscalf.
SymptomsExcessive Emissions, Poor Fuel Economy
OccursAlways
Misc.4X4