Jaguar XJ (X350). Manual - part 853
For MAF sensor circuit
tests, GO to Pinpoint Test
G531330p1.
Check the exhaust system
(before catalyst) for
condition and security,
P017200
System too rich (right hand
bank)
Restricted air filter
Leaking fuel injector(s)
Oil contaminated with fuel
(too many cold starts
with vehicle subsequently
not getting hot enough
for long enough)
MAF sensor fault (high intake
air flow)
For intake system
information,
Intake Air Distribution and
Filtering - VIN Range:
G45704->G99999 For fuel
injector information,
Fuel Injectors (18.10.02)
Check the oil condition, if
contamination is present,
renew the engine oil and
filter. For MAF sensor
circuit tests, GO to
Pinpoint Test G531330p1.
P017400
System too lean (left hand
bank)
Air intake leak between MAF
sensor and cylinder head
Fuel filter/system restriction
Fuel injector restriction
MAF sensor fault (low intake
air flow)
Exhaust leak (before catalyst)
For intake system
information,
Intake Air Distribution and
Filtering - VIN Range:
G45704->G99999 Check
the fuel pressure, check
the fuel 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: G45704-
>G99999 For fuel injector
information,
Fuel Injectors (18.10.02)
For MAF sensor circuit
tests, GO to Pinpoint Test
G531330p1.
Check the exhaust system
(before catalyst) for
condition and security,