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#1 jonnywoods

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Posted 29 November 2011 - 02:21 PM

Hi all, just wondering if anyone can offer any advice.

My engine warning light is on. I ran a test (after googling it... I am useless with cars!!) and was told that I should get a DTC code at the end of it showing what the problem is. I got a message saying "none" which I read means there is actually nothing wrong. Is this correct? The warning light is still on. I have a full list of the codes it gave me if that would help?

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#2 H3lly

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Posted 29 November 2011 - 02:31 PM

Have you checked the oils and fluids? is it down on power or misfiring (back firing)?

#3 jonnywoods

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Posted 29 November 2011 - 03:13 PM

Oil and fluids are fine. It was misfiring weeks ago but was fixed. Everything seems absolutely fine.

#4 Chutney

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Posted 29 November 2011 - 03:41 PM

It is definitely the engine warning light and not the battery light by chance? Easy mistake to make as that will not normally register a fault code, just that your battery will slowly drain until the car won't start or just switch itself off mud journey.

What engine does your car have as I would suspect that if it was a TDCi (with DPF) a generic code reader wouldn't pick up on a blocked DPF or empty Eloys fluid fault code.

I could be talking rubbish though.

#5 mintalkin

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Posted 29 November 2011 - 04:00 PM

what code reader was used for the scan?

#6 jonnywoods

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Posted 29 November 2011 - 04:22 PM

It's definitely the engine warning light, not the battery.

I did the self diagnostic test thingy. Where you hold the trip/reset button and the dials whirr around (beautifully described I think).

#7 jonnywoods

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Posted 02 December 2011 - 06:44 AM

Does anyone know what I should do?

#8 Barry_

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Posted 02 December 2011 - 01:16 PM

What happens when you switch the car off then back on - take it the light remains (only ask as mine as come on a couple of time since i got my motor and once switched off and back on it disappeared?? - Gremlins me thinks - no DTC codes either)

If its on constantly I personally not sure what else you can do - either buy a proper reader thingy bob off ebay or the like and try to see if that says anything or take it to Fords, stump up quiet a bit of cash and get them to plug it in and check????

Or if its running ok you could ignore it - but if there is something wrong which ain't obvious then you might cause more damage in the long run!

Ooh just thought - does it show any messages?? silly question but suppose its possible a door sensor or something is bust and its on coz thinks a door/boot/bonnet is open (did say it was a silly question :P)

#9 jonnywoods

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Posted 09 December 2011 - 02:21 PM

Hi all, just wondering if anyone can offer any advice.

My engine warning light is on. I ran a test (after googling it... I am useless with cars!!) and was told that I should get a DTC code at the end of it showing what the problem is. I got a message saying "none" which I read means there is actually nothing wrong. Is this correct? The warning light is still on. I have a full list of the codes it gave me if that would help?



#10 jonnywoods

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Posted 09 December 2011 - 02:23 PM

Yeah the light always stays on, and there's no message! The only thing I can see that's slightly low is the power steering fluid. It's still above the minimum line but not by much... could it be this?

#11 merlie

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Posted 12 January 2012 - 04:06 AM

my light comes on intermittently.

I've read elsewhere that its a case of disconnecting the battery for a few minutes. Is this ok ? Has anybody else tried this ?

The car runs fine btw . Just had it fully serviced - codes revealed a coolant and camshaft error - but no probs with car whatsoever ... they cleared the codes but they did say that if they come up again it would have to goto a robbing main dealer ... they want 120 just to plug it into a laptop !

#12 gwengo

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Posted 12 January 2012 - 07:24 AM

I'm no expert, but it might be the ECU if everything else seems to be ok. Have you tried disconnecting the battery as merlie says? It's well worth a try before taking it to the main 'stealers'. What engine have you got? petrol or diesel?

#13 jeebowhite

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Posted 12 January 2012 - 02:05 PM

A disconnect of the battery for 15 minutes, can reset the ECU and allow the car to go into "training" mode to get used to your driving again, I had some problems before, and a reset resolved them easily enough. It does no harm nor damage, and for the sake of 15 minutes, its worth trying!

#14 mintalkin

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Posted 12 January 2012 - 04:18 PM

the dash will not show full dtc codes, either buy a cheap reader or get a local garage to read the codes for you.

#15 HB79

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Posted 13 February 2015 - 08:20 PM

my light comes on intermittently.

I've read elsewhere that its a case of disconnecting the battery for a few minutes. Is this ok ? Has anybody else tried this ?

The car runs fine btw . Just had it fully serviced - codes revealed a coolant and camshaft error - but no probs with car whatsoever ... they cleared the codes but they did say that if they come up again it would have to goto a robbing main dealer ... they want £120 just to plug it into a laptop !

Hi all i'm new here and also new to owning 4 wheels, just up graded from a scooter. i have a 53 plate 1.6 focus. just before i purchased it it had mot and service, however my engine light has come on, this is the 2nd time its happened since i've had it (4 weeks) i tried the self diagnostic thing pressing the trip and got the 'test' message but then nothing else came up, no lights came on, pressing it again to navigate etc did nothing, the light went out on its own a day later. (that was a bout 2 weeks ago) its just come on again, the car drives fine, no funny noise etc tried the trip thing again just got 'test' cant get any error codes....please help....any ideas before i go spending money i don't have at a garage?



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