P1241

Symptoms

• Check Engine light comes on
• Reduced engine power
• Unstable engine operation
• Gear shifting problems (for automatic transmissions)
• Increased fuel consumption

Causes

• Malfunction of the crankshaft position sensor
• Problems with the camshaft position sensor
• Malfunction of the mass air flow sensor (MAF)
• Engine mechanical problems (compression, fuel system)
• Software errors in the engine control unit

How to Fix

1. Check error codes in ECU memory
2. Diagnose the condition of sensors (crankshaft, camshaft, mass air flow sensor)
3. Check the mechanical condition of the engine (compression, fuel system)
4. Update ECU firmware (if available)
5. Check wiring and connections of sensors

Related codes

Error P1241 by Vehicle Brand