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Old 16th October 2019, 17:37   #1
ShaunB
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Default Engine light warning broken wire help please

I think I may have done something bad ,I was pulling wires through from underbonnet to glove box area with a coathanger and got it snagged when I finally got it out it came with broken dark green/black wire I've connected this back together but now I have engine fault light on,have I just upset it by cutting and joining this wire or have I broke another wire where I can't see it .where does the green and black wire go to from the ecu ? .Car is 2003 cdti and everything seems to be as it was apart from the warning light .Any advice would be greatly appreciated .
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Old 16th October 2019, 18:31   #2
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I've also tried my basic obd scanner and it's showing no fault codes ?
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Old 16th October 2019, 20:46   #3
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Thinking maybe just disable the light and forget about it
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Old 21st October 2019, 15:44   #4
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I've no idea but no response so far so maybe this reposne will push you up the list?


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Old 21st October 2019, 17:25   #5
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Shaun,

Book a T4 session at Soul's of Olney.

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Old 21st October 2019, 17:57   #6
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Quote:
Originally Posted by ShaunB View Post
Thinking maybe just disable the light and forget about it
Not a good idea, engine management light is part of the MOT. Not working or indicating a fault is a major fail.
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Old 21st October 2019, 20:14   #7
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Op has a diesel though Steve - can't see how they can check if the light is working as it was never designed to come on as a self check in the earlier CDT's.
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Old 21st October 2019, 20:21   #8
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Never had a diesel Mike so didn't know. Still think disabling it isn't a good idea, could hide a future problem
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Old 21st October 2019, 21:00   #9
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Yep far better to fix it. Worth checking and cleaning the plug connections for the LP and HP fuel pressure sensors - might be a coincidence that the light came on when it did.
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