OBD Guide

P0149

Fuel Timing Error

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Reduced engine power
  • Check Engine Light Illuminates

Causes

  • Malfunction of sensors (mass air flow sensor, oxygen sensor)
  • Wiring Harness Problems
  • Engine ECU malfunction
  • Dirty fuel injectors

How to Fix

  1. Check the condition of the sensors and their circuits
  2. Scan the ECU for errors
  3. Clean or replace fuel injectors
  4. Check and update ECU software

Related codes

Error P0149 by Vehicle Brand