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1999 Ford F-150 XL 4.2L Hesitation, MIL Lamp on
Bank 2 upstream oxygen sensor never goes above 120mv bank 2 lean smoked intake and found intake gasket leak at rear of lower intake replaced gaskets and no change in oxygen sensor readings also short term fuel trim readings are positive 33on bank 2 and bank 1 ...
FIX posted 4/26/2013
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Related Documents & Media | VIN | 1FTZX1725X |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P1151 | Fuel Rail Pressure - Maximum Positive Deviation |
| P1157 | Air Fuel Sensor (Bank 1 Sensor 1) Line High Voltage |
Message Closed
Vehicle Data
1999 Ford F-150 XL
| VIN | 1FTZX1725X |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P1151 | Fuel Rail Pressure - Maximum Positive Deviation |
| P1157 | Air Fuel Sensor (Bank 1 Sensor 1) Line High Voltage |
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