Jaguar XJ (X350). Manual — part 642

sensor

Mass air flow (MAF) sensor

Purge valve

Fuel pump

Ignition system

EGR valve stuck open

Evaporative Emissions - VIN Range:

G45704->G99999 Check the fuel

pressure,

Fuel Tank and Lines - 3.0L/3.5L/4.2L,

VIN Range: G45704->G99999 For

ignition system tests,

Engine Ignition - VIN Range: G45704-

>G99999 For EGR system

information,

Engine Emission Control - VIN Range:

G45704->G99999

Difficult to start after hot

soak (vehicle standing after

engine has reached

operating temperature)

Injector leak

EFT sensor

IAT sensor

MAF sensor

Purge valve

Fuel pump

Ignition system

EGR valve stuck open

For fuel injector information,

Fuel Charging and Controls - VIN

Range: G45704->G99999 For EFT,

IAT and MAF sensor tests,

Electronic Engine Controls - VIN

Range: G45704->G99999 For purge

valve tests,

Evaporative Emissions - VIN Range:

G45704->G99999 Check the fuel

pressure,

Fuel Tank and Lines - 3.0L/3.5L/4.2L,

VIN Range: G45704->G99999 For

ignition system tests,

Engine Ignition - VIN Range: G45704-

>G99999 For EGR system

information,

Engine Emission Control - VIN Range:

G45704->G99999

Engine stalls soon after

start

Breather system

disconnected/restricted

ECM relay

Harness

MAF sensor

Fuel rail pressure (FRP)

sensor

Ignition system

For breather system information,

Engine Emission Control - VIN Range:

G45704->G99999 For ECM relay,

MAF and FRP sensor tests,

Electronic Engine Controls - VIN

Range: G45704->G99999 For

ignition system tests,

Engine Ignition - VIN Range: G45704-

>G99999 For air filter and intake

system information,

Intake Air Distribution and Filtering -

VIN Range: G45704->G99999 For

fuel line information,

Fuel Tank and Lines - 3.0L/3.5L/4.2L,

Air filter restricted

Air leakage

Fuel lines

VIN Range: G45704->G99999

Engine hesitates/poor

acceleration

Fuel pump

Fuel pressure

Fuel lines

Injector leak

Air leakage

Throttle position (TP) sensors

Accelerator pedal position

(APP) sensor

Throttle motor

Restricted pedal travel

(carpet, etc)

Ignition system

EGR valve stuck open

HO2 sensors

Transmission malfunction

Check the fuel pressure, check the

fuel lines,

Fuel Tank and Lines - 3.0L/3.5L/4.2L,

VIN Range: G45704->G99999 For

injector information,

Fuel Injectors (18.10.02) For intake

system information,

Intake Air Distribution and Filtering -

VIN Range: G45704->G99999 For TP,

APP sensor and throttle motor tests,

Electronic Engine Controls - VIN

Range: G45704->G99999 Check the

accelerator pedal travel. For ignition

system tests,

Engine Ignition - VIN Range: G45704-

>G99999 For EGR system

information,

Engine Emission Control - VIN Range:

G45704->G99999 Check for DTCs

indicating a faulty HO2 sensor. Refer

to the DTC index. For transmission

information,

Engine backfires

Fuel pump

Fuel lines

Air leakage

MAF sensor

APP sensor

HO2 sensors

Ignition system

Sticking variable camshaft

timing (VCT) hub

Check the fuel pressure, check the

fuel lines,

Fuel Tank and Lines - 3.0L/3.5L/4.2L,

VIN Range: G45704->G99999 For

intake system,

Intake Air Distribution and Filtering -

VIN Range: G45704->G99999 For

MAF and APP sensor tests,

Electronic Engine Controls - VIN

Range: G45704->G99999 Check for

DTCs indicating a faulty HO2 sensor.

Refer to the DTC index. For ignition

system tests,

Engine Ignition - VIN Range: G45704-

>G99999 Check DTCs for VCT

range/performance fault. For VCT

www.

information,

Engine

Engine surges

Fuel pump

Fuel lines

MAF sensor

Harness

TP sensors

Throttle motor

Ignition system

Check the fuel pressure, check the

fuel lines,

Fuel Tank and Lines - 3.0L/3.5L/4.2L,

VIN Range: G45704->G99999 For

MAF, TP sensor and throttle motor

tests,

Electronic Engine Controls - VIN

Range: G45704->G99999 For

ignition system tests,

Engine Ignition - VIN Range: G45704-

>G99999

Engine detonates/knocks

Knock sensor (KS) circuit

malfunction

FRP sensor

MAF sensor

HO2 sensors

Fuel pump

Fuel lines

Air leakage

Sticking VCT hub

BARO sensor malfunction

(internal ECM fault)

For KS, FRP, MAF and HO2 sensor

tests,

Electronic Engine Controls - VIN

Range: G45704->G99999 Check the

fuel pressure, check the fuel lines,

Fuel Tank and Lines - 3.0L/3.5L/4.2L,

VIN Range: G45704->G99999 For

intake system information,

Intake Air Distribution and Filtering -

VIN Range: G45704->G99999 Check

DTCs for VCT range/performance

fault. For VCT information,

Engine Refer to the warranty policy

and procedures manual if an ECM is

suspect.

No throttle response

APP sensor malfunction

TP sensors

Throttle motor

For APP, TP sensor and throttle

motor tests,

Electronic Engine Controls - VIN

Range: G45704->G99999

Poor throttle response

APP sensor malfunction

TP sensors

ECT sensor

MAF sensor

For APP, TP, ECT and MAF sensor

tests,

Electronic Engine Controls - VIN

Range: G45704->G99999 For

transmission information,

For intake system,

Intake Air Distribution and Filtering -

Transmission malfunction

Traction control event

Air leakage

Breather system

disconnected/restricted

VIN Range: G45704->G99999 For

breather system information,

Engine Emission Control - VIN Range:

G45704->G99999

DTC index

NOTE:

Generic scan tools may not read the codes listed, or may read only 5-digit codes. Match the 5

digits from the scan tool to the first 5 digits of the 7-digit code listed to identify the fault (the last

2 digits give extra information read by the manufacturer-approved diagnostic system).

NOTE:

For a full list of DTCs,

Electronic Engine Controls - VIN Range: G45704->G99999

DTC

Description

Possible Causes

Action

P008700

Fuel rail/system

pressure - too low

FRP sensor disconnected

FRP sensor to ECM sensing

circuit: open circuit or short
circuit to ground

FRP sensor supply circuit: high

resistance

FRP sensor failure

Fuel pump failure

Fuel line leak

Restricted fuel line

For FRP sensor circuit tests,

Electronic Engine Controls -

VIN Range: G45704-

>G99999 For fuel pump

circuit and fuel line tests,

Fuel Tank and Lines -

3.0L/3.5L/4.2L, VIN Range:

G45704->G99999

P008800

Fuel rail/system

pressure - too high

FRP sensor to ECM wiring

(supply/sense): short circuit
to each other

FRP sensor to ECM sense circuit:

For FRP sensor tests,

Electronic Engine Controls -

VIN Range: G45704-

>G99999 For fuel pump

circuit and fuel line tests,

www.