Hi Ngoma.
I've had a pretty manic week with other cars. I've just got around to properly diagnosing this problem.
In answer to your question it tends to happen after a long time of high RPM, both times it's happened are following highway driving and coming to a stop.
I've not witnessed the air bubble in the stall situation only while trying to diagnose the problem on the driveway while reving the engine. I'm assuming the problem is worsened when the stall occurs and the air causes a lock in either the pump itself or an injection line .
I'm yet to buy an in-line pump but so far I can't find any leaks between the tank and the filter.
Thanks again for your help
Tristan
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