Question about 1993 Jaguar XJ6

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I have a check engine light with a 39 fuel fail code on a 93 xj6. I havent noticed any other issues as far as overheating, or any problems.

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  • gerry bissi May 11, 2010

    check engine just means you are not meeting emissions. Not a biggie unless it starts flashing. Then you could damage your catalytic converter.



    Try disconnecting the battery for 1/2 hour. You will have to rest radio etc and car may run rough for 10 miles or so.

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As your expert stated it is not a serious problem unless that chk engine lite is flashing. Then the cat converter could be damaged. Also considering I just started the vehicle two days ago after sitting for about nine months thru winter storage, it could be caused by a little oil leakage issue entering the exhaust system. Either way it is not a major issue and I might try disconnecting the battery to reset that lite as your expert also stated. Hey....what do you want from a sixteen year old British car? Thanks for the feedback.

Posted on May 14, 2009

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1 Answer

96 Jaguar XJ6 starts fine, idles at 800 in neutral 700 in gear, at times it gets a bit rough and stalls sometimes, restarts right away with no issues. Will not rev over 2700 rpm in neutral it just bogs. In...


the crank sensor is favorite they are unreliable that explaines why the trans not getting engine speed signal unless its a manual box and that code will allways be logged advise start by checking for water ingress in engine control module located lower rh a post then change crankshaft position sensor or better still try and borrow one from a good running car

Mar 02, 2017 | 1995 Jaguar XJ6

1 Answer

How do you clear check engine light on 94 jaguar xj6 after getting fuel fail code 14


First off, you might need to actually have your engine checked. However, if you know that the engine is in good shape and you're still seeing that pesky check engine light in your Jaguar XJ6, here's a cool trick for how to turn it off.

  • Remove the passenger's side dash liner.

  • Look for the round red connector with a single pink/red wire that is hanging free.

  • Turn on the ignition but do not start the car and then press the VCM button.

  • When the code displays, use a jumper wire to short the pink/red wire to ground for 3 seconds.

  • Turn the key off for 10 seconds and then turn it back on and check for any more stored codes.

  • If there are more use the same procedure to clear them.

Oct 17, 2011 | 1994 Jaguar XJ6

1 Answer

Service engine soon appeared why?


The reason that your service engine light turned on is because the car 'threw a code' Something happened which was recorded by the engine ecu and saved for diagnostic purposes.

This could occur from a very wide range of circumstances, some very serious, but most of the time it is generally something minor. The two most frequent reasons that a ford will throw a code is if you accidentally fail to tighten the gas cap past the locking position after filling up, that is enough to trigger a check engine code.

Also in modern vehicles the Engine computer will constantly adjust many variables to compensate for varience in outside enviorment, fuel quality, driving habits, current engine load etc. It often possible that if the weather outside if not near the ecu settings for weather conditions (Heat and humidity will noticibly decrease engine output, while cold dry air will add power), along with particular driving habits at the time, generally aggressive, and also the use of the new Ethanol treated fuel that we must use which makes less power and also causes the ecu to ****** the timing to avoid engine issues, you can easily 'fool' the computer into thinking that there is an engine problem simply because the vehicle is acting outside the expected data settings of the ecu at the time.

The code can also be for a more serious issue such as a failed engine part, or to indicate a incident where the motor had a problem or in the worse case may be damaged. Failed O2 sensors in the exhaust manifold that 'smell' the exhaust and tell the ecu how much unburned fuel, particulates, temp, etc the ehaust is producing are often the cause of engine lights. If that inexpensive part fails or breaks due to damage the Ecu will immediatley throw a code.

Obviously the proper thing to do is not drive the vehicle until you are able to determine the cause and reason for the light.

Luckily that is extremely easy to do. Simply take your truck to any local pep boys, autozone, or the like and just ask them to 'pull the code'. this is a service that is provided free of charge. what they will do is plug in whats called an OBD scanner (on board diagnostics) to a port under teh steering wheel and collect the error code from the ECU. They will be able to advice you as to exaclty what the code means, whether it requires andy serivce or repair or not, and also be able to shut off the light for you.

Here is a list of all the possible codes for your vehicle in case your curious:

http://www.obd-codes.com/trouble_codes/ford/

Apr 13, 2011 | 2005 Ford Explorer

1 Answer

I have a 2002 saturn L 200 series it will crank and and run as long as it is in park but as soon as i put in drive it shuts off?


you may have an idle control sensor bad,is check engine light on?it's most definetly a fuel issue.if check engine light on, have it code read. sorry, you have to take it to a dealer or a reputeable place you trust. maybe someone who has worked on your car before. not just anyone. you need someone who has a code reader above 1999 year.is it very cold where you are? you may need to let it warm up more than just a few minutes.it may be only cheap fuel.87 octane fuels cheap,but misleading,it may have ethenol in the fuel. try 93 octane fuel for a 1/2 tank or add octane booster to the tank.don'nt know where you're at in world, but cold weather has effect on any engine in any vehicle.if check engine light is on, suggest you have it code read, it can cost a fortune replacing sensors,without knowing which one is bad.but your problem seems fuel related,suggest you add lucas fuel treatment to 1/2 tank of gas 93 octane fuel please.follow instructions on bottle,can get at auto zone,advance auto,nappa auto,just to name a few.but in the end if all else fails,suggest you replace idle control sensor.

Jan 06, 2011 | 2002 Saturn L-Series

1 Answer

What does the check engine light vcm code "fuel 14 /fail 14" mean on my jaguar xj6?


this has to do with the engines ability to warm up and meter the fuel. either the thermostat is sticking or the coolant temp sensor is out of range. there are 2 of them at least, one for the guage and one for the pcm. if you find it is the t-stat sticking, replace with jaguar parts.

Nov 15, 2009 | 1992 Jaguar XJ6

2 Answers

Check engine light VCM code "FUEL 14"?


my manual says fuel fail 14 deals with yourr coolant temperature sensor is no in operating range

Nov 02, 2009 | 1992 Jaguar XJ6

1 Answer

Jaguar 1994 xj6 engine fuel fail code 44


Hi

Lamba Sensor Faulty. (Oxygen Sensor) On the exhaust down pipe.

Good Luck !

A FixYa would be nice... Thanks.....John.

Feb 23, 2009 | 1994 Jaguar XJ6

1 Answer

FUEL FAIL 14 CODE 14


this is the most common error code, just means the one of the nods in fuel pump misfired, on every model other than the ones for usa market, after clearing the error code on vcm the check engine light would reset. for our cars its programmed to stay on.
also get fail 17 fuel 17 same thing
it will not effect the running of the car or its performance
may run a little rich

Dec 31, 2008 | 1994 Jaguar XJ6

1 Answer

My jag wont start


It could be an ignition related issue or fuel.
When it doesn't start does it crank, do you have the ignition lights?
The most common problem of intermittant no star probems is the crank sensor on the front of the engine, they can break down over a period of time and fail when warm. if not then I would fit a fuel pressure guage to the car and run it. Then see what the reading is when warm. If it is nothing (should be 38-40) then I would replace the fuel pump relay.
The fuel pumps typically don't fail intermittantly, they just fail!
JPTCAT

Dec 13, 2008 | 1995 Jaguar XJ6

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