
2001 Jeep Wrangler Sport 4.0L Pining
Have a pinging problem with this one. I pings under acceleration. Have labscoped the o2 sensors and they are good and not bias. Performed top engine clean. Still [...] with drb3 and looked at fuel trims. short term is between 2.6% to 0.8% and long term is betw...
FIX posted 1/13/2010
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VIN | 1J4FA49S91 |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 3-speed Automatic |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Pining |
Occurs | Under Load |
Message Closed w/FIX
Vehicle Data
2001 Jeep Wrangler Sport
VIN | 1J4FA49S91 |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 3-speed Automatic |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Pining |
Occurs | Under Load |