AutoCodes – Generic – P0149

P0149 Code - Fuel Timing Error

Quick Answer

The Engine Control Module (ECM) monitors the Fuel Injection Control Module Monitor (FICMM). Common causes include Severely restricted fuel filter, Severely restricted fuel supply line, Damaged or worn fuel pump. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means: P0149 indicates Fuel Timing Error.
Common causes: Common causes include Severely restricted fuel filter, Severely restricted fuel supply line, Damaged or worn fuel pump.
Severity: Moderate - service should be scheduled soon.
Can I drive?: The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 21,496

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 13, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P0149 Description

The Engine Control Module (ECM) monitors the Fuel Injection Control Module Monitor (FICMM). The ECM sets the OBDII code when it detects a deviation between the fuel pressure set point and the actual fuel pressure or at least one bank is lean at Wide Open Throttle (WOT).

OBDII Code P0149 - Fuel Timing Error - AutoCodes.com — P0149 Code - Fuel Timing Error

What does this mean?

What are the Possible Causes of the DTC P0149?

Severely restricted fuel filter
Severely restricted fuel supply line
Damaged or worn fuel pump
Damaged or contaminated mass air flow (MAF) sensor

How to Fix the DTC P0149?

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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0149 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.

Need more information about the P0149 code?

Need more information on how to fix the P0149 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0149 code diagnosed by a professional: Find a repair shop in your area

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 P0149 Code

1. What are the common symptoms of OBDII code P0149 (Fuel Timing Error)?

- Common symptoms include engine misfires, decreased fuel efficiency, rough idling, and difficulty starting the vehicle.

2. What are the possible causes of OBDII code P0149 (Fuel Timing Error)?

- Possible causes include issues with the fuel injectors, a faulty fuel pressure regulator, problems with the fuel pump, or a malfunctioning engine control module (ECM).

3. How can I diagnose OBDII code P0149 (Fuel Timing Error)?

- Diagnosing this code typically involves using a scan tool to read the code, checking the fuel system components for any issues, and testing the fuel pressure to ensure it is within the manufacturer's specifications.

4. How can I repair OBDII code P0149 (Fuel Timing Error) on my vehicle?

- Repairing this code may involve replacing faulty fuel injectors, repairing or replacing the fuel pressure regulator, fixing any issues with the fuel pump, or reprogramming the ECM.

5. Can driving with OBDII code P0149 (Fuel Timing Error) cause further damage to my vehicle?

- Continuing to drive with this code may lead to decreased engine performance, increased fuel consumption, and potential damage to the engine and emissions system over time.

6. How much does it typically cost to repair OBDII code P0149 (Fuel Timing Error)?

- The cost of repairing this code can vary depending on the specific issue causing the error, but it may range from a few hundred to over a thousand dollars, including parts and labor.

7. Is it safe to continue driving my vehicle with OBDII code P0149 (Fuel Timing Error)?

- It is not recommended to drive the vehicle with this code present, as it can lead to further issues and potential damage to the engine and emissions system.

8. How often does OBDII code P0149 (Fuel Timing Error) occur in vehicles?

- This code is relatively uncommon compared to other OBDII codes, but it can still occur in vehicles with fuel system or timing issues.

9. Will resetting the check engine light clear OBDII code P0149 (Fuel Timing Error)?

- Resetting the check engine light may temporarily clear the code, but if the underlying issue causing the error is not addressed, the code is likely to reappear.

10. Can a DIY enthusiast repair OBDII code P0149 (Fuel Timing Error) at home?

- Depending on the mechanical skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair simpler causes of this code, but more complex issues may require professional assistance.