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1996 Jeep Grand Cherokee Limited 4.0L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy
Posted to Chrysler Driveability on 10/22/2007 6 Replies

When cold vehicle runs great, also runs great on LPG as well. As soon as it reaches aprox [...] engine vacuum drops from 20in to 14 and starts to overfuel. I have scoped cam and crank signals and as far as I can tell appear the same as known good ones from the...

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car Vehicle Data

1996 Jeep Grand Cherokee Limited

VIN IJ4GZB8S6T
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / MPFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Poor Fuel Economy
OccursHot, Idle
Misc.Vehicle Is Dual Fuel LPG/ Petrol
Message Closed w/FIX

car Vehicle Data

1996 Jeep Grand Cherokee Limited

VIN IJ4GZB8S6T
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / MPFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Poor Fuel Economy
OccursHot, Idle
Misc.Vehicle Is Dual Fuel LPG/ Petrol