EML light fault repaired

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Mike Oates

New Member
Posts
5
Location
New Zealand
Hi all, wanted to share my experience since it was reading your forums that pointed me in the right direction.

It all started with my 2005 TD4 Freelander losing a bit of grunt but not showing any fault lights or real issues.
I did the basics, injector clean, fuel filter, clean the erg piping.
None of it helped.
Then suddenly, EML light was on and it was running rough. Obvious fuel issue it seemed.
Stopped to get a friendly local mechanic to scan, found a code 0206. Reset it and off I went to research the code. Pulled the injector plugs one by one to see if a single injector was causing the issue. Didn't work but I cleaned the plugs anyway. Car continued running okay for a couple of days and then same issue. I spoke to my friendly mechanic who recommended a specialist with the proper scan tools for my vehicle.

Now it got interesting, booked it in and their findings were #2 injector was fried. They replaced with a new one and off I went, lots of $$ poorer.
It lasted a day or roughly 60km of driving and then same fault.
Dropped it back to the shop, they called and said new injector must have been faulty so they would replace at no cost to me.
At this point I stuck my 2 cents in and told them that I know enough about cars to fix most things and am a firm believer that the people who know most are those that are passionate about their vehicles.
I explained that had read the forums in the UK, where there is a good following, and in particular the articles about the injector wiring loom being an issue.
Had they checked they wiring ?
yes, so the claimed.

Anyway, when I went to pick the Freelander up again I asked for the findings.
They had replaced the injector, run the car, checked the resistance, and it was wrong. High I believe.
So they checked the wiring. Lo and behold, they ended up replacing the wiring and everything seems to be working perfectly.

So, thank you to all who took the time to post their findings here.
And if you get a shop to do work for you, don't be afraid to have your say.
 
Hi Mike.
Thank you for sharing your experience with us, am I to take it then that in reality you did not need the injectors they replaced or that was needed to as well as the wiring ? Arctic2
 
Hi all, wanted to share my experience since it was reading your forums that pointed me in the right direction.

It all started with my 2005 TD4 Freelander losing a bit of grunt but not showing any fault lights or real issues.
I did the basics, injector clean, fuel filter, clean the erg piping.
None of it helped.
Then suddenly, EML light was on and it was running rough. Obvious fuel issue it seemed.
Stopped to get a friendly local mechanic to scan, found a code 0206. Reset it and off I went to research the code. Pulled the injector plugs one by one to see if a single injector was causing the issue. Didn't work but I cleaned the plugs anyway. Car continued running okay for a couple of days and then same issue. I spoke to my friendly mechanic who recommended a specialist with the proper scan tools for my vehicle.

Now it got interesting, booked it in and their findings were #2 injector was fried. They replaced with a new one and off I went, lots of $$ poorer.
It lasted a day or roughly 60km of driving and then same fault.
Dropped it back to the shop, they called and said new injector must have been faulty so they would replace at no cost to me.
At this point I stuck my 2 cents in and told them that I know enough about cars to fix most things and am a firm believer that the people who know most are those that are passionate about their vehicles.
I explained that had read the forums in the UK, where there is a good following, and in particular the articles about the injector wiring loom being an issue.
Had they checked they wiring ?
yes, so the claimed.

Anyway, when I went to pick the Freelander up again I asked for the findings.
They had replaced the injector, run the car, checked the resistance, and it was wrong. High I believe.
So they checked the wiring. Lo and behold, they ended up replacing the wiring and everything seems to be working perfectly.

So, thank you to all who took the time to post their findings here.
And if you get a shop to do work for you, don't be afraid to have your say.
Where about are you Mike?
 
Hi Mike.
Thank you for sharing your experience with us, am I to take it then that in reality you did not need the injectors they replaced or that was needed to as well as the wiring ? Arctic2
Original injector was fried, as did the second one. Seems they don't take the different resistance well.
In hindsight I would suggest replacing the injector wiring loom as it is a cheap fix compared to injector replacement
 
Auckland, the place that steals all your roading money
I've see the traffic cams on Breakfast TV - you need it!

I don't mind donating my RUCs and licence fees, its the pillaging of our rivers and countryside by farmers to finance NI politicians & bankers lifestyles that ****es me off, but I suppose I'm heading off topic now :)
 
I have a theory on why a wiring fault can damage the injectors. If the wiring is open circuit (a gap in the conductor) the trigger voltage can rise well above 90 Volts they are supposed to run the injectors at. As the voltage climbs higher, it creates a spark to bridge the gap in the wire. Once a spark has propagated, it allows the high voltage to discharge into the injector's piezo element. This will damage the element and so kill the injector completely. It's just a theory but I've come across many modern piezo injectors damaged by open circuit faults. This one good reason not to unplug an injector while the engine is running.
 
I have a theory on why a wiring fault can damage the injectors. If the wiring is open circuit (a gap in the conductor) the trigger voltage can rise well above 90 Volts they are supposed to run the injectors at. As the voltage climbs higher, it creates a spark to bridge the gap in the wire. Once a spark has propagated, it allows the high voltage to discharge into the injector's piezo element. This will damage the element and so kill the injector completely. It's just a theory but I've come across many modern piezo injectors damaged by open circuit faults. This one good reason not to unplug an injector while the engine is running.

Thats actually a very interesting theory and seems very sound. Wish I had thought down that track before doing the "unplug test" to try to find a fault.
 
I've see the traffic cams on Breakfast TV - you need it!

I don't mind donating my RUCs and licence fees, its the pillaging of our rivers and countryside by farmers to finance NI politicians & bankers lifestyles that ****es me off, but I suppose I'm heading off topic now :)

Aren't forums all about off topic though ?
And I agree with part two
 
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