Hi This vehicle is an Isuzu Wizard with a 3.0TD 4JX1 engine, it is a non start, I have scoped the cam and crank sensor [hopefully attached] and a know good trace [again hopfully attached] The crank trace polarity is reversed on the non start. Can anyone help me with what can cause this. I tried the ...

Hi this is a scope of a crank and pump output signal. can anyone tell me if it is the correct signal or is the pump timming 'floating' around?

I suspect the pump being faulty or the cam chain is slack. Please check out the download