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1995 Jeep Grand Cherokee Laredo 5.2L Excessive Emissions, Poor Idle Quality, Misfire
Hello members. I am desperate to get any suggestins or help on this car. When the engine is cold it idles rough and gets black smoke from the exhaust. AS the engine warms up or the pcm goes into closed loop, idling stables and exhaust clears out. I ...
FIX posted 11/1/1999
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Related Documents & Media 
| VIN | 1J4GZ58Y7S |
| Engine | 5.2 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / MFI |
| Emissions | Not OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality, Misfire |
| Occurs | Cold, Idle |
Trouble Codes
| 237 | hex is unknown |
| 26 | injector 2 peak |
| 27 | inj 1 circuit |
| 37 | TCC sol ckt |
Message Closed w/FIX
Vehicle Data
1995 Jeep Grand Cherokee Laredo
| VIN | 1J4GZ58Y7S |
| Engine | 5.2 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / MFI |
| Emissions | Not OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality, Misfire |
| Occurs | Cold, Idle |
Trouble Codes
| 237 | hex is unknown |
| 26 | injector 2 peak |
| 27 | inj 1 circuit |
| 37 | TCC sol ckt |
Video