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Gunson Fault Code Reader
Table C 2 Digit – L JETRONIC SIERRA/GRANADA 2.0 OHC/2.8 V6
CODE
MEANING OF CODE
ACTION
12
Vane air flow sensor
Refer to TPN 1
13
Engine coolant temperature sensor (ECT)
Refer to TPN 2
14
Vane air flow sensor
Refer to TPN 1
15
Throttle position sensor
Refer to TPN 4 or 5
22
Vane air flow sensor
Refer to TPN 1
31
Module fault
32
Module fault
Table C: 2 Digit – Weber/Marelli Escort RS or Sierra Cosworth 2.0 DOHC SEFi
CODE
MEANING OF CODE
ACTION
11
Engine speed/TDC sensor
12
Phase sensor
13
PIP/SPOUT signal
21
Air change temperature sensor (short circuit)
Refer to TPN 3
22
Air change temperature sensor (open circuit)
Refer to TPN 3
23
Coolant temperature sensor (short circuit)
Refer to TPN 2
31
Coolant temperature sensor (open circuit) 4x4 Refer to TPN 2
only Oxygen sensor
Refer to TPN 9
32
MAP sensor (short circuit)
33
MAP sensor (open circuit) 4x4 only throttle Refer to TPN 6
position sensor
Refer to TPN 4 or 5
43
Module fault
44
Module fault
Refer to TPN 6
21