Hello guys, I am struggling to get my 2004 L322 TD6 engine warm, the ECT reaches 60 deg C after 30 minutes driving. I have changed the thermostat but temperature still only reaches 60 deg celcius. I am not sure if my FBH burns properly but there are no fault codes coming up that have to do with this. Do any of you have any suggestions as to this problem.
L322 TD6 Low ECT
- Thread starter Alta
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Is the viscous fan stuck on?
Do you hear the FBH running? you should hear a clicking at rear of the car for the FBH fuel pump.
Do you hear the FBH running? you should hear a clicking at rear of the car for the FBH fuel pump.
gold rover
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What about the second thingy? I can't find my receipt to find out what it's called but I just had the 'thermostat' changed because mine would heat up then drop right down. They changed the thermostat that was the usual suspect, with no joy. So changed the other thingy too. That did the trick. But being non-techy and only half listening to Colin I'm not sure where it's situated.
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Not heard of a second thingy but it is a LR product so wouldn't surprise me.
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gold rover
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That's the one. It's the thingy that is also replaced, when changing the thermostat doesn't stop the engine temp going to warm, then dropping immediately to cold, . Second thingy is the OEM nameIt's the between the first and third thingy
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Wasn't the thingy replaced with the much cheaper doofer on later models 
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Isn't it the one next to the watch ma call it
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It used to be til they moved it
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I hope the OP appreciates all this detailed info
kds
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At the risk of spoiling the fun, isn't the 'thinky ' the diverter valve to do with the FBH?
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It would make sense
gold rover
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I think the doofer is the Britpart cheapWasn't the thingy replaced with the much cheaper doofer on later models
part.
gold rover
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I'll ask Colin the other name for the second thingy,when I speak to him in the next few days 
The viscous fan works perfekt, I can hold it back when the engine is cold. When I start the FBH on my timed climate I can hear it burning and my cabin gets warm. But I have never heard it when my engine is running. I also hear the clicking from the fuel pump during cabin warm up
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The FBH should only kick in below around 6 degrees. As you say the thermostat would be my first choice.
Looks like it maybe the thingy @gold rover was talking about.
Looks like it maybe the thingy @gold rover was talking about.
Now it’s been a week with -20deg celcius and still no fbh kicked in. Will the EGR thermostat affects the ect?
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I doubt the EGR will affect the ECT but others may know better.
