Wednesday, June 8, 2011

Volvo s40 check engine light, P0013

Volvo s40 check engine light is on and after scanning for codes, we found a P0013 engine code. Read on to learn of some potential fixes.

VEHICLE: 2000 Volvo S40 Base 1.9L, L4, MFI, DOHC, VIN 25, Eng Desg B4204T

MILEAGE: 104000

Customer Concern: Malfunction Indicator Light (MIL) is on with code P0013.


1. Remove the spark plug cover and inspect the wiring underneath the cover. Ensure there are no pinched wires.

2. Check for power at the camshaft reset valve with the engine running.

3. Check resistance of the valve. There should be about 7 ohms of resistance.

Potential Causes: Cam Reset Valve


Confirmed Fix: Repaired Camshaft Reset Valve Wiring: The wiring was broken under the spark plug cover.

Tech Tips: The code definition is signal missing, indicating a electrical malfunction of the valve or circuit.

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