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1998 Jeep Cherokee Classic 4.0L Hesitation, Surge
Runs well for first minute/good power on accel. Then, for aprox 20 seconds, poor power/cough through intake. Appears due to STFT dropping like a rock (aprox -25!)...due to O2 at .7-.9 v.??? Then "full closed loop" finds O2 crosing well, very active, & STFT var...
FIX posted 5/20/2003
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Message Closed w/FIX
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10 Replies Received
10 Replies Received
Related Documents & Media | VIN | 1J4FJ68S1W |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / multiport |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, Surge |
| Occurs | Cold, Under Load |
Message Closed w/FIX
Vehicle Data
1998 Jeep Cherokee Classic
| VIN | 1J4FJ68S1W |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / multiport |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, Surge |
| Occurs | Cold, Under Load |
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