
1990 Jeep Cherokee Laredo 4.0L Poor Fuel Economy
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...
FIX posted 12/11/2018
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Message Closed w/FIX
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VIN | 1J4FJ57L1L |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / Renix |
Symptoms | Poor Fuel Economy |
Occurs | Always |
Message Closed w/FIX
Vehicle Data
1990 Jeep Cherokee Laredo
VIN | 1J4FJ57L1L |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / Renix |
Symptoms | Poor Fuel Economy |
Occurs | Always |