P1603
Engine Stall History
P1603 is an OBD-II diagnostic trouble code meaning: Engine Stall History. Common causes: problems with the fuel system (pump, injectors), malfunctions of the ignition system (spark plugs, coils). Estimated repair cost: ~$167.
Symptoms
- The engine stalls periodically
- Uneven engine operation
- Power Loss
- Difficulty starting after stopping
- Check Engine Light
Causes
- Problems with the fuel system (pump, injectors)
- Malfunctions of the ignition system (spark plugs, coils)
- Problems with sensors (DPS, DMRV)
- Air locks in the fuel system
- Problems with the ECU or its power supply
How to Fix
- Read all error codes for comprehensive diagnostics
- Check the fuel system (pressure, fuel quality)
- Inspect the ignition system (spark plugs, coils)
- Check the condition and connection of engine sensors
- Test the power supply and ground of the ECU
Related codes
Error P1603 by Vehicle Brand
FAQ
What does the P1603 code mean?
P1603 is an OBD-II diagnostic trouble code that indicates: Engine Stall History
What causes a P1603 error code?
The most common causes of P1603 include: Problems with the fuel system (pump, injectors); Malfunctions of the ignition system (spark plugs, coils); Problems with sensors (DPS, DMRV); Air locks in the fuel system.
How do I fix a P1603 diagnostic trouble code?
To fix P1603: Read all error codes for comprehensive diagnostics. Check the fuel system (pressure, fuel quality). Inspect the ignition system (spark plugs, coils). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1603?
Yes, but get it checked soon
How much does it cost to fix P1603?
The estimated repair cost for P1603 is ~$167. Actual cost depends on your vehicle, location, and labor rates.
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