1999 Jeep Wrangler Sport 4.0L Cuts out, MIL Lamp on
This jeep has a P0121 that comes on intermittently. It is accompanied by a couple heavy misses or bucks. The tps and map powers, grounds and signals are at specs, and the connections seem tight. The throttle cable and linkage are not binding. The map and my va...
Summary posted 5/24/2005
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Vehicle Data1999 Jeep Wrangler Sport
Trouble Codes
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Message Closed w/Summary
Vehicle Data
1999 Jeep Wrangler Sport
VIN | 1J4FY19S3X |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 5-speed Standard |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Cuts Out, MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P0121 | Throttle Position Sensor Range/Performance |