[Richardz6]

Hello my z6 is not starting i have new fuel pump, ignition coil, injector, ecu.. and no pulses to the injector from ecu. When i have the injector loose whit the connector on it looks like it get pulses but no start. Then i tried too put a steelwire down the connector and tapped ground and then i get it too start .. so wierd any one else got this problem ?

[NMKawierider]

Test the engine speed sensor...aka CPS. Many have failed.

[doug80638]

Why were all those components replaced in the first place?

Second, if you get the system to work by providing your own ground circuit, then I would start checking the various ground straps for a clean tight connections.

[Richardz6]

I Will check the cps 👍  then ground!  All the parts is bought because bad troubleshooting by me 😂

[doug80638]

Ha! A parts swapper!   

We've all been there.  Keep the old units and think of them as an investment in an inventory of spare parts   

[Richardz6]

So i changed The fuel pump and it started så i whent two blocks and then it died and hade to "cooldown" then i could start it again and run 2 two blocks then it died again like it was out of fuel... and again .. any input of what i can look at ? Haha so tired of this machine

[doug80638]

Oy.

So many things .... need to break the cycle so you can enjoy the machine.

It may be time for a qualified mechanic with the right equipment to trouble shoot the issue(s).

[Richardz6]

Hahah went out to the utv today and it started went 2 blocks and it died again. Messured the fuel relay with 4 wires 3 of them has 12v and The orange/black that goes to the fuel pump had 12v first when it primed but not good pressure, later 0v when prime and only 12v in the starting moment    wierd that it can sit for 5 weeks then start right up and work Great for couple of km ..