
2001 Jeep Grand Cherokee Limited 4.7L Surge, MIL Lamp on
Customer stated he was driving down the road when it started to hesitate, MIL came on. Drove vehicle confirmed hesitation, at idle surging, high idle. Found DTC P0121 in ECM. Pulled up diag tree for code in AllData, On Step #2 MAP Sensor voltage was below 2.0 ...
FIX posted 5/24/2007
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Message Closed w/FIX
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VIN | 1J4GW58N31 |
Engine | 4.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Surge, MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P0121 | Throttle Position Sensor Range/Performance |
Message Closed w/FIX
Vehicle Data
2001 Jeep Grand Cherokee Limited
VIN | 1J4GW58N31 |
Engine | 4.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Surge, MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P0121 | Throttle Position Sensor Range/Performance |