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Home >> Plymouth >> 1991 >> Colt Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 1.5L >> Self-Diagnostic System >> Fault Codes
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Fault Codes

FAULT CODE

Fault Code System Fault Description
11 Open or short in O2 sensor ckt.
12 Open or short in airflow sensor ckt.
13 Open or short in intake air temp. sensor ckt.
14 Open or short in TPS ckt.
15 Open or short in motor position sensor ckt.
21 Open or short in coolant temp. sensor ckt.
22 No voltage change in crank angle sensor signal
23 No voltage change in TDC sensor ckt.
24 (1) No voltage change in vehicle speed sensor signal
25 Open or short in barometric pressure sensor
31 Open or short in detonation sensor ckt.
36 Open or short in ignition timing ckt.
39 Open or short in front O2 sensor ckt. O2 Sensor Fuel pressure Faulty injectors (Replace if defective) Intake air leaks
41 Open or short in injector ckt.
42 Open or short in fuel pump drive ckt.
43 (2) Open or short in EGR temp. sensor ckt.
44 Open or short in either ign. coil ckt.
52 Open or short in 2-5 ignition coil ckt.
53 Open or short in 3-6 ignition coil ckt.
61 Open or short in transaxle control unit or cable
62 Open or short in harness or connector of induction control valve position sensor. If harness, connector and induction control valve are normal, replace air intake plenum assembly.
(1) Will not turn on CHECK ENGINE light.
(2) California only.