P1181
Fuel Delivery System Malfunction High
P1181 is an OBD-II diagnostic trouble code meaning: Fuel Delivery System Malfunction High. Common causes: fuel pump malfunction, problems with the fuel pressure regulator. Estimated repair cost: $17–89.
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
Related codes
Error P1181 by Vehicle Brand
FAQ
What does the P1181 code mean?
P1181 is an OBD-II diagnostic trouble code that indicates: Fuel Delivery System Malfunction High
What causes a P1181 error code?
The most common causes of P1181 include: Fuel pump malfunction; Problems with the fuel pressure regulator; Fuel filter clogged; Fuel pressure sensor malfunction.
How do I fix a P1181 diagnostic trouble code?
To fix P1181: Check the pressure in the fuel system with a pressure gauge. Inspect fuel lines for damage. Replace the fuel filter if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1181?
Limited driving only, diagnose soon
How much does it cost to fix P1181?
The estimated repair cost for P1181 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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