Question about 2002 Jaguar S-Type

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Engine fail safe mode is on my 4.0 2002 s-type

Posted by Anonymous on

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Posted on Jan 02, 2017

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SOURCE: Failed safe engine mode 1999 V8 S Type

I've got a 2000 that did the same thing. Get this, it was caused by a defective trunk seal that let water in my trunk and got my wiring wet. Could'nt even shut off the car, only way to kill it was to pull the positve battery cable, negative won't kill it. After all dried out, and jag dealer reset my failsafe mode all good....... until now i have a .500 ma draw on power while sitting unused, brand new batteries down in 1 week??

Posted on Dec 29, 2008

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SOURCE: fail safe engine fail

this can be caused by a few things. Diagnostic Trouble codes needed to diagnose. many auto part store will read codes for free, please post codes

Posted on Jan 30, 2009

  • 564 Answers

SOURCE: 2000 S-type Fail Safe Engine mode is intermittent.

change the throttle body posistion sensor and change the plugs if the throttle body was dirty the plugs can now be fouled out causing the problem the 02 sensor may be clogged as well from the cleaning try thid first this should work if not let me know ill tell you what else you can do hope this solves your problem.

Posted on Jul 04, 2009

  • 227 Answers

SOURCE: Warning: fail safe engine mode

I do not know about a Jag. But the "fail safe engine mode " on my GMC means the Engine Controll Computer has quit working.

Posted on Jul 09, 2009

  • 11800 Answers

SOURCE: 2000 S TYPE Jaguar

This happens when the communication between the computers of the car systems fails:the connection is lost for a moment , which sends the engine and transmission in Failsafe mode; if you turn off the contact the computers reset and when you start it again they test the status of the connection before reengaging - they detects that the connection is fine and resume normal functioning.In the case of my Citroen it was between the engine and transmission computers - a cable connector has been damaged by a rock.
The only way to locate the origin of this problem is to check and reseat every single connector on the wiring loom.

Posted on Nov 21, 2010

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1 Answer

My 2002 jaguar s-type will start but it will not go anywhere when I press the gas pedal. My husband put fuses in each fuse box and then a light came on that said FAIL SAFE MODE. What can I do?


the message "fail safe mode" is telling you that there is a fault in either the engine or gear box. In your case the problem is in the transmission. Run the fault codes and check for a torque converter servo/solenoid failure or a TCM problem. Check that there is oil in the transmission.

Nov 12, 2014 | 2002 Jaguar S-Type

1 Answer

How much would it cost to fix a jaguar 2001 s-type when the fail safe mode engine light pops on?


depends whats wrong ,i suspect a blocked engine breather pipe but it could be anything

Nov 20, 2011 | 2001 Jaguar S-Type

1 Answer

Fail safe engine mode mean in a 2000 jaguar s type?


Hi Walter, the fail safe mode is for getting you home when something goes wrong and you need to move the vehicle a short distance. If it is engaged you should take the vehicle for a scan and find out what is wrong. Regards John

Nov 02, 2011 | 2000 Jaguar S-Type

1 Answer

Does the etc engine fail safe mode engage when driving 20mpg or less in snow? I love 2003 lincoln LS. This question is not addressed in the owner's guide.


the engine fail safe [limp mode] engages for or when the engine/trans senses damage or something that can cause extreme damage[ no oil pressure] the limp mode is so u can safely get off road or to a service location

Feb 15, 2010 | 2003 Lincoln LS

2 Answers

What does Failsafe Engine Mode mean? my manual was stolen


Hello! Fail safe mode is when the vehicle's computer detects a serious problem an allows you to "limp" off the road or highway safely.

Fail safe mode on a Jaguar is mainly caused by a dirty and gummed up throttle body. The throttle body on your auto has a protective coating, so you can not use just any cleaner. It requires a throttle body cleaner that states "safe to use with a protective coating". The butterfly valve in the throttle body will actually "stick out". This causes fail safe mode to kick in reducing the amount of power your engine can produce.

Also check the plugs on your ECM (computer) and make sure they are all seated properly.


Guru...............saailer

Dec 13, 2009 | 1998 Jaguar XJ8L

1 Answer

Warning: fail safe engine mode


I do not know about a Jag. But the "fail safe engine mode " on my GMC means the Engine Controll Computer has quit working.

Jul 09, 2009 | 2001 Jaguar XJ8

1 Answer

2000 S-type Fail Safe Engine mode is intermittent.


change the throttle body posistion sensor and change the plugs if the throttle body was dirty the plugs can now be fouled out causing the problem the 02 sensor may be clogged as well from the cleaning try thid first this should work if not let me know ill tell you what else you can do hope this solves your problem.

Jul 03, 2009 | 2000 Jaguar S-Type

1 Answer

My 2000 Jag S type also keeps saying failsafe mode?


fail safe mode is something the vehicle computor will go into when there is a problem with the vehicle it allows u to get off the highway or road safely you need to take vehicle to repair shop or your dealer which ever u prefer Failsafe engine mode on a 2000 jaguar s type is caused by a stopped up throttle body. Jaguar says not to clean the throttle body since it has a protective coating to help keep deposits from accumulating. You can clean the throttle body as long as you use ONLY throttle body cleaner that states it is safe to use with a protective coating. The butterfly valve in the throttle body will actually stick not allowing air to flow into the manifold causing failsafe engine mode to kick in reducing the amount of power your engine will produce. To solve the issue just clean out your throttle body, it will cost you around $5 dollars and take 1 hour of your time.

Jun 07, 2009 | 2000 Jaguar S-Type

2 Answers

Enigine fail safe mode


I encountered the same problem, my engine fail safe mode light came on and shut the car down. I took my car to my mechanic and he found the solution to the problem. The car needed a throttle body cleaning and the fuel filter needed to be replaced. After having my truck serviced my mileage increased from 14.6 mpg to 15.4 mpg
ENGINE FAILED SAFE MODE WARNING LIGHT, GONE Total cost $86.45

Dec 21, 2008 | 2006 Ford Expedition

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