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Author Topic: How do I get rid of engine management light?  (Read 2325 times)

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llewellyn237

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How do I get rid of engine management light?
« on: 31 March 2012, 12:03:37 »
Engine management light was on due to having to run with broken mass air flow meter unplugged.

New one fitted, plugged in and running fine but light on dash remains  :-\

Ideas?
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doz

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Re: How do I get rid of engine management light?
« Reply #1 on: 31 March 2012, 12:07:20 »
You may have another fault. Try disconnecting the battery for a hour but I'd be checking the codes again
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Kevin Wood

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Re: How do I get rid of engine management light?
« Reply #2 on: 31 March 2012, 12:32:03 »
Disconnecting the battery doesn't normally clear the codes.

It will extinguish after a certain number of engine starts with no fault, assuming there is no fault now.

If it doesn't go out after a few journeys it would be wise to read the codes as something else is wrong.
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Andy B

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Re: How do I get rid of engine management light?
« Reply #3 on: 31 March 2012, 14:16:59 »
Quote from: Kevin Wood on 31 March 2012, 12:32:03
.......

It will extinguish after a certain number of engine starts with no fault, assuming there is no fault now.

If it doesn't go out after a few journeys it would be wise to read the codes as something else is wrong.

That's not quite right Kevin. If the EML is on, there is a fault. If the fault is fixed, the code might still be logged though untill 'a certain number of engine starts' after thye fault has been fixed.  ;)
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Andy H

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Re: How do I get rid of engine management light?
« Reply #4 on: 31 March 2012, 14:23:01 »
Quote from: Gareth237 on 31 March 2012, 12:03:37
Engine management light was on due to having to run with broken mass air flow meter unplugged.

New one fitted, plugged in and running fine but light on dash remains  :-\

Ideas?
How was the mass flow sensor 'broken'?

Did anything else get broken at the same time?

As said above you need to re-read the fault codes to find out what the current fault is.
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llewellyn237

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Re: How do I get rid of engine management light?
« Reply #5 on: 31 March 2012, 16:47:51 »
Quote from: Andy H on 31 March 2012, 14:23:01
Quote from: Gareth237 on 31 March 2012, 12:03:37
Engine management light was on due to having to run with broken mass air flow meter unplugged.

New one fitted, plugged in and running fine but light on dash remains  :-\

Ideas?
How was the mass flow sensor 'broken'?

Did anything else get broken at the same time?

As said above you need to re-read the fault codes to find out what the current fault is.

I have no idea how it was broken, the car wouldn't run with it plugged in  :-\ bought new one and now it does run with it plugged in.

Pedal trick doesn't work on my 2.2 so looks like it's back to the computer...
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ndmv6

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Re: How do I get rid of engine management light?
« Reply #6 on: 31 March 2012, 16:48:47 »
on my 2.2 i had to reset the eml with my code reader every time a new part was fitted...it wouldnt go away by itself... :)
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