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1998 Jeep Cherokee Limited 4.0L Poor Idle Quality, Hesitation, Stall, Poor Fuel Economy
This car came in with rough idle and black smoke coming out of the tail pipe. However it smooths out off idle. Will stall if snapped throttle. Spark plugs are pitched black. O2s hangs high. Map voltage shows 3.9 volts. This prompted me to check for vaccum leak...
FIX posted 11/5/2008
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14 Replies Received
14 Replies Received
Related Documents & Media | VIN | [No VIN Available] |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, Stall, Poor Fuel Economy |
| Occurs | Always |
Message Closed w/FIX
Vehicle Data
1998 Jeep Cherokee Limited
| VIN | [No VIN Available] |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, Stall, Poor Fuel Economy |
| Occurs | Always |
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