P1175 SATURN - Fuel Trim Cylinder Balance Bank 2
- Clogged Fuel Injectors
- Faulty Oxygen sensor
- Ignition problem
- Fuel injection problem
- Engine mechanical condition
Tech notesThe sometimes is triggered by clogged fuel injectors. Start by using high octane fuel and/or fuel additive to clean injectors. If problem persists fuel injectors may need to be replace.
There is a factory service bulletin for the following Saturn models:
2000-2008 Saturn Models
2000-2008 Saturn Factory Service Bulletin OBDII Code P1175
- Engine Light ON (or Service Engine Soon Warning Light)
P1175 Saturn DescriptionThe 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.
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