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My jaguar type 2.0 diesel has started going into restricted performance once warm. Getting error code P1544 engine coolant heater b control have also a brake fault code to do with a transducer and an

Car starts fine when cold and restricted performance only comes on after about 15 miles or when trying to restart when warm

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Posted on Jan 02, 2017

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SOURCE: Gearbox fault of Jaguar S Type

unfortunately when that code, and that gear box fault light comes on, its pretty much game over for the transmission. It only a matter of time before performance of the transmission gets worse and worse. BUT that transmission is VERY easy to replace, i would check out a few trustworthy independent shops to give you a better price! I am usually a die-hard dealership, having been working at this jaguar land rover dealership for the last 2 years, but you are pretty much for sure going to be a cheaper price on the labor and like i said it is a pretty easy task.

My only precaution MAKE SURE IF YOU GETTING A USED TRANSMISSION THAT YOU GET SOME TYPE OF WARRANTY ON IT. Too many times have I seen customers loose thousands of dollars paying someone to put a used engine or transmission and have it fail almost right away.

Posted on May 10, 2009

  • 8 Answers

SOURCE: Jaguar s-type restricted performance displayed

Its most likely the coils and spark plugs, sometimes caused by oil leaking from the valve cover gasket. The coils deteriorate over time from engine heat and need to be replaced at 90-100k
Local garages don't have the Jaguar diagnostics terminal and are unable to do more than find basic error codes with a reader. Its important to get this fixed because it's causing damage to your caltalytic converters. They are expensive.

Posted on Jun 28, 2009

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SOURCE: x-type jaguar automatic (gear box fault)

I have a 2002 X type (2 litre. done 44000 miles), dash showed gear box problem, (red circle light up). I pulled out and turned the engine off. 5 minutes later turned the engine on. The engine running but the car would not drive either in drive or reverse. Turned the engine off again and on the car driving but not much power. The care is taken to the Jag. dealer and told is misfiring + some gear box faults. Suggesting to change some coils and see (cost about £200+). also possible need to change the gear box costing about £2500+. Please advice. Shall I go ahead with the repair? Should I part exchange.

Posted on Aug 10, 2009

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SOURCE: Hard to start when engine warm on X Type Jaguar

Well it is only a ford mondao with a different body shape ,No self respecting jag man would evan consider a diesel ,anyway enough winding up and back to problem ---diesel-- common rail injection ,,,,I honestly feel that it would need plugging in to a DIAGNOSTIC COMPUTER to find the fault because its not like the older model diesels with an injector pump and its all manual .This could be a fault with the cold start or the injector that controls the firing order .Sorry i couldnt be of any more help but these new fancy electronics ??

Posted on Nov 07, 2009

  • 1 Answer

SOURCE: from cold start my renault megane starts to over reving

Having exactly the same problem with my megane and the mechanic just charged me £687.00 and does not know what to do!!!

Posted on Dec 20, 2009

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98 jaguar xj8l p0116 p0125 codes

P0116 Engine Coolant Temperature Circuit Range/Performance Problem

P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control; ECT Excessive Time to Closed Loop Fuel Control

Feb 18, 2013 | 1998 Jaguar XJ8L

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My x-type diesel has been struggling for a few months running poorly and struggles to start (more so when warm). Jag told me the EGR and inlet manifold was coked up - which I have now cleaned. runs much...


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Restricted performance on jaguar s type 2007 diesel fault code P2453 P244B

2453 is theor paticulate soot filter and 244 is just the restricted performace differential pressure sensor, needs to b e serviced for sure...

Sep 11, 2011 | Jaguar S-Type Cars & Trucks

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My S-type will sometime read restricted performance,ABS brake, engine fault,air bag and the engine light will be on dash bored-the car will not exceed over 15mph-if vehicle is park for 15 min of longer-...

its sounds like its between the oxygen sensor..and your throttle body sensor..Normally the difference between the oxygen sensor it will display all these things except the dsc mil.Make sure that you dont wash the engine caompartment near the firewall,this can lead to water getting into the TBS and cause the sensor to go bad,and also near the MAF in the air cleaner elbow.Water can short this sensor.But intermitant restricted performance can show do to a knock sensor malfunction also it will code p0327 or the oxygen sensor.Go by Antozone let them scan the car for codes and freeze frame data.The Actron obdii scanner does well with Jaguars.

Aug 05, 2011 | 2003 Jaguar S-Type

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I would like to know what the following codes represent for my 2002 jaguar x-type 3.0 Codes are P174, P175, P1111

P1110 Intake Air Temperature Sensor Signal (Dynamic Chamber) Circuit
The other DTC refer to mixture issues.


Fault Code:- P0174 Indicates a Power-train fault
The fault is generally due to a problem in the Emission Management (Fuel or Air) area
Fault Description: Bank 2 combustion too lean
Action of ECM:- ECM Default: - Bank 2 catalyst warm-up ignition ****** inhibited - Bank 2 closed loop fuel metering inhibited - Canister purge inhibited - Maximum engine speed reduced
Possible Fault:-
Engine misfire Air intake leak between MAF Sensor and throttle Fuel filter / system restriction Fuel injector restriction Low fuel pump output HO2 Sensor(s) (2/1, 2/2) harness wiring condition fault Exhaust leak (before catalyst) ECM receiving incorrect signal from one or more of the following components: ECT Sensor, MAF Sensor, IAT Sensor, TP Sensor

once again from

Fault Code:- P0175 Indicates a Power-train fault
The fault is generally due to a problem in the Emission Management (Fuel or Air) area
Fault Description: Bank 2 combustion too rich

Action of ECM:- ECM Default: - Bank 2 catalyst warm-up ignition ****** inhibited - Bank 2 closed loop fuel metering inhibited - Canister purge inhibited - Maximum engine speed reduced

After clearing the DTC, complete the Start engine and bring to normal operating temperature > 82 °C (180 °F) Idle for 10 minutes

Check for a reoccurrence of fault DTC.

Possible Fault:- Restricted air filter Leaking fuel injector(s) ECM receiving incorrect signal from one or more of the following components: ECT Sensor, MAF Sensor, IAT Sensor, TP Sensor

Apr 23, 2011 | 2003 Jaguar X-Type

1 Answer

2001 jaguar stype not heating

After you start the car.. check the temp gauge.. if slow to move or stays cool.. you have a stuck thermostat.. as in stuck wide open.. needs replacement.

This also means it takes a very long time if ever to have warm air inside the passenger compartment as the engine never warms enough (during cool weather) to provide hot water to the heater core.

However if the temp gauge reads a proper operating temp.. and you cannot get warm air inside.. you have a control issue with the passenger compartment heating system.

A faulty thermostat will also result in poor performance and poor gas mileage.

Have this checked immediately.. if it were to stick closed suddenly (unlikely) your car could overheat.

This part is not very costly.. labor.. depends on which engine is in this car could take up to an hour to an hour and a half.. they may want to do a coolant flush and replace the coolant.. check belts and hoses while under the hood.

Best of luck

Apr 02, 2011 | 2001 Jaguar S-Type

1 Answer

1997 Camry 4-cyl fan works but heat very weak - coolant level ok

Probability 1) The thermostat is probably stuck open, coolant is not getting hot enough from the engine to provide heat.

Starting from cold, allow the engine to run and warm up. While doing this, feel the upper radiator hose - you should be able to feel the coolant heating up to the point the hose is uncomfortably hot. If it gets that hot, then go to next step.

Probability 2) The heater core flow is restricted, not allowing full flow of coolant into passenger compartment.

There are 2 smaller heater hoses that run to the firewall. Are either of these hoses getting hot? Both sides hot indicate full coolant flow. Both sides cool indicate heater control valve not opening fully.

Mar 01, 2011 | Toyota Camry Cars & Trucks

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''Restricted Performance'' message on 2004 Jaguar XJ8

i have problem jaguar x type 2004 when many time motor is start the ligth amber turn on and massege engine fault the engine do not acceleration

Jul 13, 2010 | 2004 Jaguar X-Type

4 Answers

I have a 2000 jaguar s-type Climate control does work

Jaguar S-type 2000 fabrication year is equiped with:
1. Control system = Automatic temperature control
2. System layout = Single evaporator - dual zone
3. Refrigerant circuit type = Expansion valve
General information:
1. System control
1.1. Compressor operation controlled by refrigerant pressure sensor.
1.2. Compressor will not operate if refrigerant level is low!
1.3. System incorporates an A/C evaporator temperature sensor.
1.4. System incorporates an engine coolant heater regulator valve.
1.5. A/C control module incorporates self-diagnosis function.
1.6. The A/C control module fault memory can only be accessed and erased using diagnostic equipment connected to the Data Link Connector (DLC). See picture below:
91c2d77.png 1.7. Engine Control Module (ECM) incorporates A/C related trouble codes.
1.8. Malfunction Indicator Lamp (MIL) will iluminate if certain ECM faults are recorded.
1.9. The ECM fault memory can only be accessed and erased using diagnostic equipment connected to the Data Link Connector (DLC).
Trouble code Fault location
B1200 A/C control module - internal failure
B1251 In-car temperature sensor - open circuit
B1253 In-car temperature sensor - short to earth
B1255 Outside air temperature sensor - open circuit
B1257 Outside air temperature sensor - short to earth
B1259 A/C sunlight sensor - open circuit
B1261 A/C sunlight sensor - short to earth
B1262 A/C heater defrost flap motor - short circuit, open
circuit, short to earth
B1263 A/C heater fascia flap motor - short circuit, open
circuit, short to earth
B1264 A/C heater footwell flap motor - short circuit, open
circuit, short to earth
B1265 A/C heater air mix flap motor - short circuit, open
circuit, short to earth
B1676 Battery voltage - voltage too low / high
B1946 A/C evaporator temperature sensor - open circuit
B1947 A/C evaporator temperature sensor - short to earth
B1966 Heater output temperature sensor 2 - open circuit
B1967 Heater output temperature sensor 2 - short to earth
B2428 Heater output temperature sensor 1 - open circuit
B2429 Heater output temperature sensor 1 - short to earth
B2477 A/C control module - incorrect programming

Feb 08, 2010 | 2000 Jaguar S-Type

1 Answer

1 Red and 1 Amber warning light and message Restricted performance

Go to Auto Zone and ask the to run a diagnostic with their OBD-11 computer. This may still be a free service. Write down the error code/codes displayed. This should help pinpoint the correct sensor.

Jun 02, 2009 | 2006 Jaguar S-Type

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