Ford Falcon. Manual - part 218
303-14-86
Powertrain Control Management
303-14-86
DIAGNOSIS AND TESTING (Continued)
DTC
Description
Possible Causes
P1151
Lack Of HO2S21 Switches - FUEL SYSTEM CONDITION
INTAKE AIR CONDITION
KOEO, KOER Sensor Indicates Lean
External leak at fuel injectors, Defective positive crankcase
Cont
externally leaking fuel
ventilation system, faulty
pressure regulator, leaking
Evaporative Purge (EVAP)
fuel rail, inadequate pressure
Canister or Solenoid
from fuel pump, fuel injectors
ELECTRICAL CONDITION
contaminated with foreign
Heated Exhaust Gas Oxygen
material, blocked or restricted Sensor (HO2S) signal shorted
fuel filter
to ground; moisture in
harness connectors, blown
CAUTION: A leaking
HO2S heater fuse
fuel system poses a
OTHER CONDITION
potential fire hazard.
Leaking exhaust system; leak
at manifold slip joint, leaking
SENSOR CONDITION
joint between engine pipe and
Sensor damaged or faulty
catalyst converter, leak at
engine pipe to manifold joint,
damaged or leaking exhaust
P1152
Lack Of HO2S21 Switches - FUEL SYSTEM CONDITION
INTAKE AIR CONDITION
Cont
Sensor Indicates Rich
Internally leaking fuel
Faulty or damaged
injectors, damaged fuel
Evaporative Canister Purge
pressure regulator, obstructed Solenoid (EVAP) <CANP>,
fuel return line, low or no
EVAP canister saturated with
vacuum to fuel pressure
fuel
regulator; leaking, damaged
ELECTRICAL CONDITION
or missing vacuum hose to
Heated Exhaust Gas Oxygen
fuel pressure regulator.
Sensor (HO2S) signal shorted
to Vehicle Power (VPWR),
CAUTION: A leaking
blown HO2S heater fuse.
fuel system poses a
OTHER CONDITION
potential fire hazard.
Restricted exhaust system,
Engine Cylinder Head
SENSOR CONDITION
Temperature Sensor (CHT) or
Sensor damaged or faulty.
cooling system fault
P1159
LPG Stepper Motor A-D
FUEL SYSTEM CONDITION
LPG SYSTEM
LPG
(GSCA- D) fault (I6 LPG)
Improper connection;
Refer to the LPG section of
DTC P1159 is reported if
GSCA-D open circuit, shorted this manual for details on the
GSCA-D fails the self-test or to Vehicle Power (VPWR) or
Ford factory fitted LPG
if the air fuel ratio cannot be
ground
systems
changed by the PCM during
the test
P1182
Gas Cut-Out Solenoid
ELECTRICAL CONDITION
LPG SYSTEM
KOEO, KOER (GCO) relay circuit
Improper connection; GCO
Refer to the LPG section of
Cont
malfunction, I6 engine
solenoid open circuit, shorted this manual for details on the
DTC P1182 is reported if the to Vehicle Power (VPWR) or
Ford factory fitted LPG
GCO solenoid or its circuit
ground, blown fuse
systems
have failed
P1183
Engine Oil Temperature
SENSOR CONDITION
ELECTRICAL CONDITION
KOEO, KOER Sensor Circuit
Sensor damaged or faulty.
Improper connection. Sensor
Cont
DTC P1183 is reported if the
wiring open circuit or short
sensor voltage is out of
circuit to VPWR or PWRGNF,
range
VREF or SIGRTN.
G98120 en