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1990 Jeep Cherokee Laredo 4.0L Poor Fuel Economy
Posted to Chrysler Driveability on 11/30/2018 10 Replies

This is my personal car, I'm starting to pull my hair out from it. It is running really rich billowing black smoke out of the tailpipe. I can't seem to find whats going on with it. Idle vacuum is 18in and the map is reading correctly, IAT and ECT are readi...

10 Replies Received (View Replies)

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car Vehicle Data

1990 Jeep Cherokee Laredo

VIN 1J4FJ57L1L
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / Renix
SymptomsPoor Fuel Economy
OccursAlways
Message Closed w/FIX

car Vehicle Data

1990 Jeep Cherokee Laredo

VIN 1J4FJ57L1L
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / Renix
SymptomsPoor Fuel Economy
OccursAlways