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[Agemo]

As title, I had the car on a diagnostic, and it threw up the above fault. I need to know if there is too much fuel, or too little??? There doesn't seem to be a lot of unburned Diesel about. Running OK too. I never had this code show up a month ago (albeit with the paperclip test).

[raywilb]

code 64. common issue i believe. i was advised to change fuel filter , fill new one with deisel magic reassemble & rev it 2000 revs. then take it for a hard slog for a few miles. i now do it every filter change. 

[Agemo]

Thanks Ray, Hmmm, filter not been in that long, and I do the Diesel Magic trick every time too. It certainly shows no sign of fuel starvation. The diagnostics machine was a Snap-On, shame it can't say too much/ not enough, cheapo rubbish. 

[hoofing it]

If its still running just keep using forte diesel treatment.
The only way to cure the fault code is to replace the injector pump as the sensor that causes code 64 is in the guts of the pump and its a Bosch fix.
When it starts cutting out on you then its breaked

[Agemo]

"Still running" Oh yes, running fine apart from a slight missfire around 800 rpm. Hardly notice it but would like it to run perfect. I may try replacing the MAF sensor. My only concern was that it was using too much fuel (or too little) but I am sure it is virtually spot on.
Another point that the diagnostic raised (although not as a fault code) was the 30kg of air going through the sensor per hour - and that was with the engine STOPPED!!! Baffled by this.

[hoofing it]

Unplug the maff with the engine running if it then runs like a bag of bolts the maff is working ok.
if no change in the engines tone the maffs knackered.
This is one of those things that you just have to live with (code 64) until the pump fails. Don't go spending money you dont need to ive been there done that

[Agemo]

Hoofing answer, thanks for that. I will do the test in the morning. I am quite willing to live with it. 

[Seth]

Hoofing answer, thanks for that. I will do the test in the morning. I am quite willing to live with it. 

One of the TDs that I look after's had the dreaded '64' for over 50k miles Glen .... that engine's nearly at 170k now and still running beautifully.

Try the MAF if you wish, though personally I wouldn't worry!

[Agemo]

Thanks Byron, nice to hear that. I will try the MAF test just out of curiosity. Thanks again. 

[Seth]

Thanks Byron, nice to hear that. I will try the MAF test just out of curiosity. Thanks again. 

No problem mate!

Fuel filters get changed here every 10k miles (probably over cautiously), and get the Diesel Magic or Forte treatment simultaneously.

Fingers crossed - you should be fine mate!

[Agemo]

Yes I love Diesel Magic, and next time I change a filter, I am going to cut it open, just to see how much crud is in there.

[Agemo]

OK, done the MAF test, no difference whatsoever. Looks like I need another MAF (or does it???)

[TheBoy]

Just fill the filter with diesel magic (ignore the instruction to put it in tank), and run it through. Might sound rough for a few seconds. Try to vary revs when it first starts (and probably running rough, as its firing on diesel magic).

[Agemo]

Thanks TB, will give it a go. Would there be any point in a new MAF? The test proves it's not working, but if it runs exactly the same without, it hardly seems worth it. 

[symes]

Just fill the filter with diesel magic (ignore the instruction to put it in tank), and run it through. Might sound rough for a few seconds. Try to vary revs when it first starts (and probably running rough, as its firing on diesel magic).

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