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2004 Jeep Grand Cherokee Laredo 4.0L Excessive Emissions, Poor Fuel Economy, MIL Lamp on
Hello all! This Jeep came in to us after failing it's emissions test. Limit for hc was 1.2 reading was 18.0! Limits for co was 15.0, reading was 168.9!!! We brought it in and checked the readings, rear upstream o2 sensor and downstream (after cat) sensors were...
FIX posted 6/1/2010
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Message Closed w/FIX
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Related Documents & Media | VIN | 1J4GW48SX4 |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / FI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Fuel Economy, MIL Lamp On |
| Occurs | Always, Cruise, Idle, While Warming Up. |
Trouble Codes
| P0122 | Throttle Position Sensor Circuit Low Voltage |
| P0174 | Fuel System Too Lean (Bank 2) |
Message Closed w/FIX
Vehicle Data
2004 Jeep Grand Cherokee Laredo
| VIN | 1J4GW48SX4 |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / FI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Fuel Economy, MIL Lamp On |
| Occurs | Always, Cruise, Idle, While Warming Up. |
Trouble Codes
| P0122 | Throttle Position Sensor Circuit Low Voltage |
| P0174 | Fuel System Too Lean (Bank 2) |
Video