P1175 Pontiac Code - Fuel Trim Cylinder Balance Bank 2
Quick Answer
The Fuel Trim Cylinder Balance diagnostic detects a rich or lean cylinder to cylinder air/fuel ratio imbalance in each bank. Common causes include Clogged Fuel Injectors, Faulty Oxygen sensor, Ignition problem. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1175 Pontiac indicates Fuel Trim Cylinder Balance Bank 2.
- Common causes
- Common causes include Clogged Fuel Injectors, Faulty Oxygen sensor, Ignition problem.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1175 Pontiac Description
What are the Possible Causes of the DTC P1175 Pontiac?
- Clogged Fuel Injectors
- Faulty Oxygen sensor
- Ignition problem
- Fuel injection problem
- Engine mechanical condition
How to Fix the DTC P1175 Pontiac?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
There is a Factory Service Bulletin for the following Pontiac models:
2000-2001 Pontiac Transport
2000-2002 Pontiac Firebird
2000-2008 Pontiac Bonneville
2000-2008 Pontiac Grand Am
2000-2008 Pontiac Grand Prix
2000-2008 Pontiac Sunfire
2001-2008 Pontiac Aztek
2002-2008 Pontiac Montana
2000-2008 Pontiac Factory Service Bulletin OBDII Code P1175
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1175 Pontiac code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P1175 Pontiac Code
1. What does the OBDII code P1175 mean on a Pontiac?
P1175 indicates a "Fuel Trim Cylinder Balance Bank 2" issue, meaning the engine control module (ECM) detects an imbalance in fuel delivery to the cylinders on Bank 2.
2. What are the common symptoms of a P1175 code?
Symptoms may include poor fuel efficiency, rough idle, engine misfires, reduced engine performance, and the Check Engine Light being illuminated.
3. What causes the P1175 code on a Pontiac?
Common causes include a vacuum leak, faulty oxygen sensors, dirty or failing fuel injectors, a malfunctioning mass air flow (MAF) sensor, or exhaust leaks on Bank 2.
4. Can a dirty air filter trigger the P1175 code?
Yes, a clogged or dirty air filter can restrict airflow and cause an imbalance in the air-fuel mixture, potentially triggering the P1175 code.
5. How is the P1175 code diagnosed?
A technician will use a scan tool to check freeze frame data, inspect fuel trim readings, test oxygen sensors, check for intake or exhaust leaks, and evaluate the fuel injectors on Bank 2.
6. Can I drive with a P1175 code?
While the vehicle may still be drivable, ignoring a P1175 code can lead to further engine damage or poor performance. It's best to address the issue promptly.
7. How do I fix the P1175 code on a Pontiac?
Repairs may include cleaning or replacing the oxygen sensors, inspecting and repairing vacuum or exhaust leaks, cleaning or replacing fuel injectors, or replacing the MAF sensor if faulty.
8. Can a failing fuel injector cause a P1175 code?
Yes, a clogged or malfunctioning fuel injector on Bank 2 can disrupt fuel delivery, leading to the P1175 code.
9. Will replacing the oxygen sensor always fix the P1175 code?
Not necessarily. While oxygen sensors are a common cause, other issues like vacuum leaks, fuel injector problems, or a faulty MAF sensor could also trigger the code.
10. How much does it cost to fix the P1175 code?
Repair costs vary depending on the cause but typically range from $150 to $500, including parts and labor, with oxygen sensor replacement being one of the more common fixes.
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