P1175 HUMMER Possible Causes
- Clogged Fuel Injectors
- Faulty Oxygen sensor
- Ignition problem
- Fuel injection problem
- Engine mechanical condition
How do I fix code P1175 HUMMERCheck the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
There is a factory service bulletin for the following HUMMER models:
2003-2008 HUMMER H2
2003-2008 HUMMER Factory Service Bulletin OBDII Code P1175
Cost of diagnosing the P1175 HUMMER code
Labor: 1.0The cost of diagnosing the P1175 HUMMER code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
- Engine Light ON (or Service Engine Soon Warning Light)
P1175 HUMMER MeaningThe Fuel Trim Cylinder Balance diagnostic detects a rich or lean cylinder to cylinder air/fuel ratio imbalance in each bank. The diagnostic monitors the pre-catalyst heated oxygen sensor (HO2S) signal's frequency and amplitude characteristics by calculating an accumulated voltage over a predetermined sample period. An imbalance is indicated when multiple samples of the accumulated voltage are consistently higher than the desired value.
P1175 HUMMER More InformationNeed more information on how to fix the P1175 HUMMER code?
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