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HV2002 - I can only hope that's what it was and it's now gone!

Truck has run fine for the last week with no problems - we'll see how long we go this time until something happens!!

stumpie - A fuel lubricant could help and I found the threads and the general consensus seems to be it's only really beneficial for the 4.2. The 2 stroke might also stuff the catalytic converter.

Yendor - Agree that a lift pump may help fault find. Any recommendation on a lift pump brand / model?

As for the 77 (P7) code we had it previously before the ecu relay change also but then nothing...

Thanks for the comments all.

mudski, the 77 or P7 code is listed as F/INJ TF / B or Injection Pump injection timing control - which can be either air/contaminants in the fuel or the injector pump...

threedogs - no for the extra earths but at this stage am willing to give anything a go.

More than happy for any ideas.

Cheers

I have already put a new ECU relay in (after the swap worked I wanted to make sure so purchased a new one). Battery terminals and earth points have all been scoured and cleaned.

The ECU relay is...

Unfortunately the saga continues and some more advice needed!!

The vehicle ran fine for a number of months and then a few weeks back went into an underground car park and up and down a few ramps...

Yendor, haven't noticed the aircon not working, but the missus does believe it hasn't been as cold as usual.

Time will tell.

Cheers

Quick update. Changed the ECU relay for the A/C relay and we haven't had a stoppage since (1 week). Still early days though as it is an intermittent thing, but thanks for all the advice that has got...

I have replaced all the rubber fuel lines in the engine bay and searched everywhere else for leaks and nothing found. Also, if I check the fuel primer on top of the filter whenever it has stopped,...

Any idea's on how to test or prove that the injector pump is faulty? Not overly keen on spending $4+K without something to give me some level confidence it will solve the problem.

Cheers

Roofy and June, don't believe it's limp mode. When I say loss of power, I mean the engine actually stops/cuts out. I have had limp mode before and the engine still ran, just with reduced power.
...

Any specifics on what the exact issue with the injector pump was?

A real brain teaser for any ZD30 experts.

About nine months ago the engine started to just stop occasionally (2003 model, 220K kms). It usually happened after a few short trips and about 50-200m...