P0175 PONTIAC Code - Fuel Trim System Rich Bank 2
|P0175 PONTIAC code possible causes
- Faulty front heated oxygen sensor
- Ignition misfiring
- Faulty fuel injectors
- Exhaust gas leaks
- Incorrect fuel pressure
- Faulty Mass Air Flow (MAF) sensor
|How do I fix the P0175 PONTIAC code?Check 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.
|Cost of diagnosing the P0175 PONTIAC code
Labor: 1.0The cost of diagnosing the P0175 PONTIAC code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
|When is the P0175 PONTIAC code detected?- Fuel injection system does not operate properly.
- The amount of mixture ratio compensation is too large. (The mixture ratio is too rich.)
|What are P0175 PONTIAC code possible symptoms?
- Engine Light ON (or Service Engine Soon Warning Light)
- Excessive Fuel Consumption
|P0175 PONTIAC code descriptionThe Engine Control Module (ECM) controls the air/fuel metering system in order to provide the best possible combination of driveability, fuel economy, and emission control. Fuel delivery is controlled differently during Open Loop and Closed Loop. During Open Loop, the ECM determines fuel delivery based on sensor signals without heated oxygen sensor (HO2S) input. During Closed Loop, the ECM adds HO2S inputs to calculate the short and long term fuel trim (FT) adjustments. If the HO2S indicates a lean condition, the fuel trim values will be above 0 percent. If the HO2S indicates a rich condition, the FT values will be below 0 percent. The short term FT values change rapidly in response to the HO2S voltage signals. The long term FT makes coarse adjustments in order to maintain an air/fuel ratio of 14.7:1.
|Need more information with the P0175 PONTIAC code?Need more information on how to fix the P0175 PONTIAC code? Get Access to Factory Service Manuals
|Need help with a P0175 PONTIAC code?Get the P0175 Pontiac code diagnosed by a professional: Find a repair shop in your area
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