Question about 2003 Jaguar S-Type

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No fuel response control respone

Car will start, ramp up then come back to idle, after that no response with the throttle. I have a 2003 Jaguar S-Type R, 4.2 with supercharger.

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  • soup3138 Oct 09, 2008

    I have replaced the two diodes in the fuse box under the hood, which as I understand it, work the fuel system, still no response.

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Check mass air flow volt at idle

Posted on Oct 14, 2008

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Whats wrong when car start but no throttle


does the engine stay idling with no response to throttle movement? or does the engine cut-out when the throttle is pushed?

Nov 26, 2015 | 1997 Chevrolet Cavalier

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Starts and idles, no accelerator response.


Your Denali has Throttle Actuator Control (TAC) System - Electronic throttle control ! Are there any messages on the driver information center ? Reduced engine power ?
Reduced Engine Power Mode When the PCM detects a condition with the TAC system the PCM may enter a reduced engine power mode. Reduced engine power may cause one or more of the following conditions:
?€¢
Acceleration limiting--The control module will continue to use the accelerator pedal for throttle control; however, the vehicle acceleration is limited.


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Limited throttle mode--The control module will continue to use the accelerator pedal for throttle control; however, the maximum throttle opening is limited.


?€¢
Throttle default mode--The control module will turn off the throttle actuator motor and the throttle will return to the spring loaded default position.


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Forced idle mode--The control module will perform the following actions:


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Limit engine speed to idle by positioning throttle position, or by controlling fuel and spark if throttle is turned off.


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Ignore accelerator pedal input.


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Engine shutdown mode--The control module will disable fuel and de-energize the throttle actuator.


You need to have it checked for DTC'S - diagnostic trouble codes , probably a accelerator pedal position (APP) sensor or TPS - throttle position sensor !

Jun 01, 2015 | 2003 GMC Yukon Denali

1 Answer

Why did my idle speed go up after I replaced spark plugs on my 2003 jaguar x-type ? gapped at .054


The gap should be .050. The throttle body needs to be cleaned and/or idle air control is dirty or bad.

Jan 30, 2015 | Jaguar Cars & Trucks

1 Answer

How to determine if a variable timing control solenoid is damaged from being jammed by gauze filter


Assuming there's a sensor to the control solenoid, the sensor would've sent a trouble code to the ECM, activating your "check engine" light. When you accelerate, it increases pressure in fuel lines, so if there's restriction (such as dirty fuel filter) in fuel line, then it would accelerate rough with hesitation in throttle response.

Nov 29, 2013 | 2000 Jaguar S-Type

1 Answer

What happens if you run a 2003 jaguar s-type 3.0 without air filter?


You ruin the motor, as you well know, from dirt entering it

You also have the problem you have

Improper reading of MAF Sensor & then
can't properly control fuel trim

Now the MAF needs to be cleaned, when you
install the air filter & wash all the intake ducting

Mar 27, 2013 | 2003 Jaguar S-Type

1 Answer

Car sometimes dies in intersection


clean the throttle body most common cause of idle/decel die off. its cheap and real cheap and easy to do yourself

Apr 13, 2010 | 2001 Chrysler PT Cruiser

2 Answers

1995 jaguar xj6 stalls once you stop at the stop signs


Look for an IAC sensor (motor) Idle Air Control.
Usually located on side & front of throttle body. Not 100% sure which type you'll have but if you have pintle type (pointed end) Remove it, spray it well with throttle body cleaner as well as port it came from, and retry. If it cures it temporarily & starts to do it again, replace it.

Aug 21, 2009 | 1995 Jaguar XJ6

1 Answer

Car wont start fault code 47. how to fix? 1993 XJ6


Fuel Fail 47 Idle speed control valve - coil 2: Open or short circuit.

This code 47 is signaling a malfunction that has occurred within the Idle speed control device. the code is saying that the circuit is inoperable at this time and you will need to service it or replace the entire device.

This is basically A computer-controlled air bypass valve located in the throttle body. It helps control idle speeds by allowing air to bypass the throttle plates as to increase the idle speed.



please rate and have agreat weekend:)


May 15, 2009 | 1995 Jaguar XJ6

2 Answers

Throttle/Idle/running problem - wants to run too fast, or stall out


RPM's up and down check EGR valve and sensor. EGR valve and sensor control idle. That's why your getting the surging on rpm's and this could be giving out the other codes. If mass flow was bad car will not start and the same for the map sensor. O2 sensor measures gas and air for right mixer. TPS controls 0-60 speed as in throttle respons.

Apr 28, 2009 | 1989 Pontiac Grand Prix

2 Answers

Issue with throttle control on my 2003 Maxima


I discovered that its the throttle body sensor. Its not sensing the postion of the foot pedal. The throttle body has a sensor that is linked to your gas pedal via a cable. The spring that the repair man mentioned could be the issue. The sensor then communicates to the computer the position and then computer then applies fuel, the mass air sensor then will communicate to the computer and the computer will then allow more or less air to fuel ratio. So if your stomping on the gas and there is not any response, then your throttle body sensor is most likely going out.

Nov 21, 2008 | 2003 Nissan Maxima

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