P1153
Bank 2 Fuel Control Shifted Lean
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)
Symptoms
- Loss of engine power
- Unstable idling
- Increased fuel consumption
- Check Engine Light Is On
- Possible misfires
Causes
- Air leaks in the intake manifold
- Malfunction of the mass air flow sensor (MAF)
- Dirty or faulty fuel injectors
- Low fuel pressure
- Oxygen sensor malfunction
How to Fix
- Check the intake system for air leaks
- Check the readings of the mass air flow sensor and oxygen sensors
- Check fuel pressure and condition of the fuel pump
- Clean or replace fuel injectors
- Check the condition of the vacuum hoses