Thread: V8 D2 mississing badly today

Originally Posted by Roverlord off road spares

Since one petrol injector wire is cut on each injector and is then looped through each gas injector wiring am I right in assuming that if there was a fault on the wiring to gas injector it would also appear as a fault on the petrol injector on that loop?

No. Each petrol injector wire cut goes only (via 2 wires) to the gas ECU. The gas injectors are driven separately by the software from readings taken of the petrol signal. An electrical fault in a gas injector causes an error resulting in the gauge beeping and the LPG shutting down. If there is a broken wire in the petrol wiring the gas ECU simply sees a zero injection time for that injector but continues to run the rest as normal.

A sticky injector does not show up as a fault unless there is zero pressure in the line at changeover. Some software settings allow for instant LPG starts when hot and this is where the Magna mentioned had problems.

When you have the manifold top off you can manually energise the main gas lock (the ol' wire from the battery trick) to pressurise the rail, then
soapy water all the connections and injector outlets.

Have you got a software cable yet? Available on ebay mainly from the UK, not that dear.

Originally Posted by Roverlord off road spares

That easy Ah? I found this one for Zavoli, do you think it will work on the Zavoli ZETA?
Zavoli LPG GPL CNG Programming Interface Tuning KIT Laptop Connection USB | eBay

Thanks again.

ZETA is the model of the converter only, the whole system is an Alisei, as marked on the ECU. Yes this tuning kit should work with your system. I bought one to carry with my main laptop when I go Easter camping, a friend of mine meets me there for his annual gas checkup.