P0174 Scion Code - Fuel Trim System Too Lean Bank 2
Quick Answer
The P0174 code for a Scion indicates that the fuel trim system on bank 2 is reading too lean. Common causes include Vacuum leak, Faulty oxygen sensor, Clogged fuel filter. 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
- P0174 Scion indicates Fuel Trim System Too Lean Bank 2.
- Common causes
- Common causes include Vacuum leak, Faulty oxygen sensor, Clogged fuel filter.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P0174 Scion Description
The P0174 code for a Scion indicates that the fuel trim system on bank 2 is reading too lean. The fuel trim system is responsible for adjusting the air-fuel mixture to ensure optimal combustion in the engine. When the system is too lean, it means that there is too much air and not enough fuel in the mixture. This can lead to a variety of issues with the vehicle's performance, including reduced power, rough idling, hesitation, and poor fuel efficiency.
Common Causes of P0174 Scion
- Vacuum leak
- Faulty oxygen sensor
- Clogged fuel filter
- Malfunctioning fuel injector
- Issue with the mass airflow sensor
Symptoms of P0174 Scion
- Reduced engine power
- Rough idling or stalling
- Hesitation or stumbling during acceleration
- Poor fuel efficiency
- Check Engine Light illuminated
How to Fix P0174 Scion
- Diagnose the specific cause of the lean condition by checking for vacuum leaks, testing oxygen sensors, inspecting the fuel filter, and checking fuel injectors and the mass airflow sensor.
- Repair or replace any faulty components identified during the diagnostic process.
- Clear the diagnostic trouble codes from the vehicle's computer.
- Test drive the vehicle to ensure the issue has been resolved.
- If the issue persists, further diagnostics may be necessary to pinpoint the exact cause of the lean condition.
Cost to Fix P0174 Scion
The cost of repairing a P0174 code on a Scion can vary depending on the specific cause of the issue and the cost of parts and labor. On average, the repair cost for this issue can range from $200 to $500. However, it's important to note that labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. Additionally, the cost of parts can vary based on the specific components that need to be replaced. It's recommended to obtain a detailed estimate from a qualified mechanic to get an accurate cost for the repair.
Tech Notes for P0174 Scion
Need more information about the P0174 Scion code?
Need more information on how to fix the P0174 Scion code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0174 Scion code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0174 Scion Code
No Frequently Asked Questions about P0174 Scion Code found.
Discuss the causes and fixes for P0174 Scion OBDII Code
Code P0174 Scion comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.