P1181
Fuel Delivery System Malfunction High
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)
Symptoms
- Increased fuel consumption
- Unstable engine operation
- Power Loss
- Smell of gasoline from the exhaust system
- Check Engine Light Is On
Causes
- Fuel pump malfunction
- Problems with the fuel pressure regulator
- Fuel filter clogged
- Fuel pressure sensor malfunction
- Damage to fuel lines
How to Fix
- Check the pressure in the fuel system with a pressure gauge
- Inspect fuel lines for damage
- Replace the fuel filter if necessary
- Check the operation of the fuel pressure regulator
- Test the fuel pump