Engine-CodesSaturn – P1174 Saturn

P1174 Saturn Code - Fuel Trim Cylinder Balance

Quick Answer

The P1174 code for Saturn vehicles specifically relates to Fuel Trim Cylinder Balance. Common causes include Vacuum leaks, Faulty oxygen sensor, Dirty or clogged fuel injectors. 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
P1174 Saturn indicates Fuel Trim Cylinder Balance .
Common causes
Common causes include Vacuum leaks, Faulty oxygen sensor, Dirty or clogged fuel injectors.
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.
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P1174 Saturn Description

The P1174 code for Saturn vehicles specifically relates to Fuel Trim Cylinder Balance. This code indicates that the fuel mixture in one or more cylinders is not balanced correctly, leading to an imbalance in the air-to-fuel ratio. This imbalance can result in poor engine performance, reduced fuel efficiency, and increased emissions.

OBDII Code P1174 Saturn - Fuel Trim Cylinder Balance
P1174 Saturn Code - Fuel Trim Cylinder Balance

Common Causes of P1174 Saturn

  1. Vacuum leaks
  2. Faulty oxygen sensor
  3. Dirty or clogged fuel injectors
  4. Faulty fuel pressure regulator
  5. Issues with the mass airflow sensor

Symptoms of P1174 Saturn

  1. Rough idling
  2. Stalling
  3. Hesitation during acceleration
  4. Reduced engine power
  5. Increased fuel consumption

How to Fix P1174 Saturn

  1. Perform a thorough inspection of the vacuum system to check for any leaks.
  2. Test and potentially replace the oxygen sensor to ensure accurate readings.
  3. Clean or replace the fuel injectors to ensure proper fuel delivery.
  4. Test and potentially replace the fuel pressure regulator if faulty.
  5. Inspect and potentially clean or replace the mass airflow sensor if necessary.

Cost to Fix P1174 Saturn

The typical repair costs for addressing the P1174 code can vary depending on the specific cause of the issue. On average, the cost for parts and labor can range from $200 to $500. It's important to note that diagnosis time and labor rates at auto repair shops can vary, with rates typically ranging from $80 to $150 per hour. Factors such as location, vehicle make and model, and engine type can also influence the overall repair costs. It's recommended to consult with a professional mechanic to get a more accurate estimate based on the specific circumstances.

Tech Notes for P1174 Saturn

The P1174 code sometimes is triggered by clogged fuel injectors. Start by using high octane fuel and/or fuel additive to clean injectors. If the problem persists fuel injectors may need to be replaced.

There is a Factory Service Bulletin for the following Saturn models:
2000-2008 Saturn Models
2000-2008 Saturn Factory Service Bulletin OBDII Code P1174

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1174 Saturn Code

No Frequently Asked Questions about P1174 Saturn Code found.

Discuss the causes and fixes for P1174 Saturn OBDII Code

  • I have replaced all injectors, 2 upstream o2 sensor, purge valve , maf ,air filter, camshaft sensor, catalytic converter bank 1 , pcv valve, spark plugs, and the error code P1174 is still showing. Please help!

  • I apologize for the late response. Let me check if I can find more information. What model and year is your vehicle?

  • I have the same situation on a 08 Saturn VUE, 4cyl.

  • Start by checking for intake or exhaust leaks. According to a national database of repair for the same engine code and vehicle, if the injectors, spark plugs, and MAF are OK, the problem could be an intake or exhaust leak.