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1997 Jeep Cherokee Country 4.0L Surge, Poor Fuel Economy, MIL Lamp on, Po0123
Posted to Chrysler Driveability on 8/11/2011 15 Replies

Trans not shifting right (winds out before shift) high idle (went away with repl ECM) but still 4.59V at TPS orange with ECM plug unhooked; have not driven since problem surfaced, all "running" results obtained, just idling in driveway PO0123 always there come...

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  Related Documents & Media  1997 Jeep Cherokee Country

 
Message Closed w/Summary

car Vehicle Data

1997 Jeep Cherokee Country

VIN 1J4FJ78SVL
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsSurge, Poor Fuel Economy, MIL Lamp on, Po0123

Trouble Codes

P0123Throttle Position Sensor Circuit High Voltage
Message Closed w/Summary

car Vehicle Data

1997 Jeep Cherokee Country

VIN 1J4FJ78SVL
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsSurge, Poor Fuel Economy, MIL Lamp on, Po0123

Trouble Codes

P0123Throttle Position Sensor Circuit High Voltage