Live Manual
Engine Error

P2096

Post Catalyst Fuel Trim System Too Lean (Bank 1)

Severity
Medium

Symptoms

Check engine light, minor hesitation, poor fuel economy

Common Causes

  • Exhaust leak near O2 sensor
  • Faulty downstream O2 sensor
  • Fuel delivery issue
  • Faulty catalytic converter

How to Fix

  1. 1 Repair exhaust leaks
  2. 2 Replace Bank 1 Sensor 2 O2 sensor
  3. 3 Check fuel pressure
  4. 4 Verify MAF sensor data
Estimated Repair Cost USD
$150 $600

O2 sensor: $150 - $300; Leak repair: $100 - $500