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1999 Jeep Wrangler Sport 4.0L Cuts out, MIL Lamp on
Posted to Chrysler Driveability on 5/18/2005 12 Replies

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...

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  Related Documents & Media  1999 Jeep Wrangler Sport

 
Message Closed w/Summary

car Vehicle Data

1999 Jeep Wrangler Sport

VIN 1J4FY19S3X
Engine4.0 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI
EmissionsOBD-II Compliant
SymptomsCuts Out, MIL Lamp On
OccursIntermittently

Trouble Codes

P0121Throttle Position Sensor Range/Performance
Message Closed w/Summary

car Vehicle Data

1999 Jeep Wrangler Sport

VIN 1J4FY19S3X
Engine4.0 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI
EmissionsOBD-II Compliant
SymptomsCuts Out, MIL Lamp On
OccursIntermittently

Trouble Codes

P0121Throttle Position Sensor Range/Performance