Jaguar XJ (X350). Manual — part 898

intake air flow)

HO2S/Catalyst monitor

sensor harness wiring
condition fault

ECM receiving incorrect

signal from one or more
of the following sensors;
ECT, MAF, IAT, IP, EFT,
TP

sensors and circuits listed.

P0174

Left-hand cylinders

combustion too lean

Air intake leak between

MAF sensor and
cylinder head

Fuel filter/system restriction

Fuel injector restriction

Fuel pressure (IP) sensor

failure (low fuel
pressure)

Low fuel pump output

HO2S/Catalyst monitor

sensor harness wiring
condition fault

Fuel temperature (EFT)

sensor fault (low fuel
temperature)

MAF sensor fault (low

intake air flow)

Exhaust leak (before

catalyst)

ECM receiving incorrect

signal from one or more
of the following sensors
- ECT, MAF*, IAT, IP,
EFT, TP.

For intake system,

Intake Air Distribution and

Filtering - VIN Range: G00442-

>G45703 For fuel injector,

Fuel Charging and Controls - VIN

Range: G00442->G45703

Fuel Charging and Controls - VIN

Range: G00442->G45703 For

fuel filter and pump,

Fuel Tank and Lines - 4.2L NA V8

- AJV8/4.2L SC V8 - AJV8/3.0L NA

V6 - AJ27/3.5L NA V8 - AJV8, VIN

Range: G00442->G45703 For

fuel pressure sensor,

Fuel Charging and Controls - VIN

Range: G00442->G45703

Fuel Charging and Controls - VIN

Range: G00442->G45703 For

HO2S/Catalyst monitor sensor

tests, GO to Pinpoint Test

G258127p10.

GO to Pinpoint Test

G258127p11.

GO to Pinpoint Test

G258127p12.

For exhaust system,

Refer to individual pinpoint tests

for sensors listed. * If this DTC is

flagged, pay particular attention

to the MAF sensor.

P0175

Left-hand cylinders

combustion too rich

Engine misfire

Restricted air filter

Check for "misfire detected"

DTCs (P0300 to P0308) in this

section. For intake system,

Intake Air Distribution and

Leaking fuel injector(s)

Fuel pressure (IP) sensor

failure (high fuel
pressure)

Fuel temperature (EFT)

sensor fault (high fuel
temperature)

MAF sensor fault (high

intake air flow)

HO2S/Catalyst monitor

sensor harness wiring
condition fault

ECM receiving incorrect

signal from one or more
of the following sensors;
ECT, MAF, IAT, IP, EFT,
TP

Filtering - VIN Range: G00442-

>G45703 For fuel injectors, fuel

pressure sensor,

Fuel Charging and Controls - VIN

Range: G00442->G45703

Fuel Charging and Controls - VIN

Range: G00442->G45703 Refer

to individual pinpoint tests for

sensors and circuits listed.

P0181

Engine fuel temperature

(EFT) sensor

range/performance

EFT sensor disconnected

EFT sensor to ECM sensing

circuit; high resistance,
open circuit, short
circuit to ground, short
circuit to high voltage

EFT sensor to splice sensor

ground circuit; high
resistance, open circuit

Above normal air flow

through engine
compartment, due to
accident damage and/or
missing panels

EFT sensor failure

For EFT sensor sensing circuit

tests, GO to Pinpoint Test

G258127p34.

For sensor ground tests, GO to

Pinpoint Test G258127p26.

Check the vehicle for panel

damage.

P0182

Engine fuel temperature

(EFT) sensor circuit low

voltage (high

temperature)

EFT sensor to ECM sensing

circuit; short circuit to
ground

EFT sensor to splice sensor

ground circuit; short
circuit

EFT sensor failure

For EFT sensor sensing circuit

tests, GO to Pinpoint Test

G258127p34.

For sensor ground tests, GO to

Pinpoint Test G258127p26.

www.

P0183

Engine fuel temperature

(EFT) sensor circuit high

voltage (low temperature)

EFT sensor disconnected

EFT sensor to ECM sensing

circuit; high resistance,
open circuit, short
circuit to high voltage

EFT sensor to splice sensor

ground circuit; high
resistance, open circuit

EFT sensor failure

For EFT sensor sensing circuit

tests, GO to Pinpoint Test

G258127p34.

For sensor ground tests, GO to

Pinpoint Test G258127p26.

P0191

Fuel rail pressure (FRP)

sensor circuit

range/performance

Fuel filter/system restriction

Fuel system leak

Incorrect fuel pump output

FRP sensor to ECM sensing

circuit; high resistance,
open circuit, short
circuit to ground, short
circuit to high voltage

FRP sensor to splice in

sensor supply circuit;
high resistance, open
circuit

FRP sensor to splice in

sensor ground circuit;
high resistance, open
circuit, short circuit to
ground, short circuit to
high voltage

FRP sensor failure

For fuel filter, pump and lines,

Fuel Tank and Lines - 4.2L NA V8

- AJV8/4.2L SC V8 - AJV8/3.0L NA

V6 - AJ27/3.5L NA V8 - AJV8, VIN

Range: G00442->G45703 For

FRP sensor tests,

Fuel Charging and Controls - VIN

Range: G00442->G45703

Fuel Charging and Controls - VIN

Range: G00442->G45703

P0192

Fuel rail pressure (FRP)

sensor circuit low input

FRP sensor disconnected

FRP sensor to ECM sensing

circuit; open circuit or
short circuit to ground

FRP sensor to splice in

sensor supply circuit;
high resistance, open
circuit

FRP sensor failure

For FRP sensor tests,

Fuel Charging and Controls - VIN

Range: G00442->G45703

Fuel Charging and Controls - VIN

Range: G00442->G45703

P0193

Fuel rail pressure (FRP)

sensor circuit high input

FRP sensor to ECM wiring

(supply/sense) short
circuit to each other

FRP sensor to ECM sensing

circuit; short circuit to
high voltage

FRP sensor to splice in

sensor ground circuit;
open circuit

FRP sensor failure

For FRP sensor tests,

Fuel Charging and Controls - VIN

Range: G00442->G45703

Fuel Charging and Controls - VIN

Range: G00442->G45703

P0196

Engine oil temperature

(EOT) sensor

range/performance

EOT sensor to ECM sensing

circuit; high resistance
when hot, intermittent
high resistance

EOT sensor failure

ECT sensor malfunction

For EOT sensor tests, GO to

Pinpoint Test G258127p13.

Check for ECT sensor DTCs.

P0197

Engine oil temperature

(EOT) sensor low voltage

(high oil temperature)

EOT sensor to ECM sensing

circuit; short circuit to
ground

EOT sensor failure

For EOT sensor tests, GO to

Pinpoint Test G258127p13.

Check for ECT sensor DTCs.

P0198

Engine oil temperature

(EOT) sensor high voltage

(low oil temperature)

EOT sensor disconnected

EOT sensor to ECM sensing

circuit; high resistance,
open circuit or short
circuit to B+ voltage

EOT sensor failure

For EOT sensor tests, GO to

Pinpoint Test G258127p13.

Check for ECT sensor DTCs.

P0201

Fuel injector circuit

malfunction, Cyl 1

Injector disconnected

Injector wiring open or

short circuit

Injector failure

Check injector connections. For

injector circuit tests,

Fuel Charging and Controls - VIN

Range: G00442->G45703

Fuel Charging and Controls - VIN

Range: G00442->G45703

P0202

Fuel injector circuit

malfunction, Cyl 2

Injector disconnected

Injector wiring open or

short circuit

Injector failure

Check injector connections. For

injector circuit tests,

Fuel Charging and Controls - VIN

Range: G00442->G45703

Fuel Charging and Controls - VIN

Range: G00442->G45703

www.