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HELP- FAILSAFE ENGINE MODE LIGHT ON

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  #1  
Old 12-25-2008, 08:08 PM
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Default HELP- FAILSAFE ENGINE MODE LIGHT ON

Of all days my Jag would have to break down in the middle of nowhere- it happened yesterday, Christmas day,after the "Failsafe Engine Mode" amber light came on- proceeded to drive with caution (unsure of what may be wrong) until the red failsafe mode light came on and I limped a long way before it just wouldn't go.

I checked the owners manual and it said mechanical or technical fault usually- has anyone experienced this before and what was the cause ?
 
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Old 12-25-2008, 10:49 PM
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Default RE: HELP- FAILSAFE ENGINE MODE LIGHT ON

it can be many things from misifres excessice, to brake switch, throttle body, gas pedal, trans malfunction and on and on. but when this happens the best thing you can do is pull over, shut it off, and restart, if it doesnt see the fault again it will drive normally again, if it does it will reset limp home again as soon as it sees the fault again. you need to see what codes are retained and then go from there with diagnostics and repair
 
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Old 12-26-2008, 04:37 AM
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Default RE: HELP- FAILSAFE ENGINE MODE LIGHT ON

Thank you so much for your encouraging diagnosis- let's hope it is nothing too serious, as we all know these Jags can suck you dryWill let you know what they find !
 
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Old 12-27-2008, 09:28 AM
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Default RE: HELP- FAILSAFE ENGINE MODE LIGHT ON

Hi

I had this problem mid december, it didn't break down, but I pulled over andcalled the RAC. the engineer put it on his laptop but could find no fault and when the car was started again, no warning message.

Then on christmas day, happened again. intermittent warning message for about 24 hours and now fine again. I have noticed that one of my brake lights in off/on faulty.

Could this be the cause?

Thanks
 
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Old 12-27-2008, 09:42 AM
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Default RE: HELP- FAILSAFE ENGINE MODE LIGHT ON

ORIGINAL: sian123h

Hi

I had this problem mid december, it didn't break down, but I pulled over andcalled the RAC. the engineer put it on his laptop but could find no fault and when the car was started again, no warning message.

Then on christmas day, happened again. intermittent warning message for about 24 hours and now fine again. I have noticed that one of my brake lights in off/on faulty.

Could this be the cause?

Thanks
NO, you need to have codes read, and if for some reason its not retained(unlikely, but does happen) then you need to drive to get it read without shutting off key while still in failsafe mode.
 
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Old 12-27-2008, 12:25 PM
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Default RE: HELP- FAILSAFE ENGINE MODE LIGHT ON

Thanks for that quick reply. Any ideawhere would I get the codes read in the UK, without it costing me an arm and a leg?
Thanks
 
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Old 01-01-2009, 01:53 AM
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Default RE: HELP- FAILSAFE ENGINE MODE LIGHT ON

I took it to the mechanic and he put it on the diagnostic machine and it showed up that the Throttle Pedal Sensor had an issue- they cleaned it and did a few things to it and it is absolutely fine now.....thank god !
 
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