P1313
Misfire Rate Catalyst Damage Fault Bank 1
Severity
🔴 HighCan you drive?
Do not drive — repair immediately
Approx. repair cost
$33–278 (est.)
Symptoms
- Unstable engine operation
- Power Loss
- Increased fuel consumption
- Check Engine Light Is On
- Metallic ringing from under the car (with a damaged catalyst)
Causes
- Faulty spark plugs
- Problems with ignition coils
- Low compression in cylinders
- Malfunction of fuel injectors
- Problems with sensors (mass air flow sensor, oxygen sensor)
How to Fix
- Check and replace spark plugs
- Diagnose and replace faulty ignition coils
- Check compression in cylinders
- Check the operation of the fuel injectors
- Diagnose the condition of the catalytic converter