P127A
Aborted Engine Start
P127A is an OBD-II diagnostic trouble code meaning: Aborted Engine Start. Common causes: problems with the fuel pump or pressure regulator, malfunction of the crankshaft position sensor. Estimated repair cost: $17–111.
Symptoms
- Engine won't start
- The engine stalls immediately after starting
- Unstable engine operation when trying to start
- Increased starter cranking time
- Check Engine light comes on
Causes
- Problems with the fuel pump or pressure regulator
- Malfunction of the crankshaft position sensor
- Problems with the ignition system (plugs, coils)
- Low fuel pressure
- Malfunction of the immobilizer or anti-theft system
How to Fix
- Check fuel pressure and condition of the fuel pump
- Diagnose the crankshaft position sensor
- Check the condition of the spark plugs and coils
- Scan the system for other errors
- Check immobilizer operation
Related codes
FAQ
What does the P127A code mean?
P127A is an OBD-II diagnostic trouble code that indicates: Aborted Engine Start
What causes a P127A error code?
The most common causes of P127A include: Problems with the fuel pump or pressure regulator; Malfunction of the crankshaft position sensor; Problems with the ignition system (plugs, coils); Low fuel pressure.
How do I fix a P127A diagnostic trouble code?
To fix P127A: Check fuel pressure and condition of the fuel pump. Diagnose the crankshaft position sensor. Check the condition of the spark plugs and coils. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P127A?
Do not drive — repair immediately
How much does it cost to fix P127A?
The estimated repair cost for P127A is $17–111. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat