Date registered: Jul 2016
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Hi guys, I own a 1971 W109 3.5 V8 M116 engine.
It was running fine, started everytime, anytime. One day i started it and drove to the servo, while driving there it started to run really funny, like it was running out of fuel, the tank was very empty of course. Once filled i drove it to wash down the car a little, it was driving fine again.
I had the engine running and washed the motor front with the pressure washer ( stupid me) i held the sprayer on there for 1 second at the most, i did not hit the D-jet injection ECU or any other electrical connections.
After i left the wash it all started, it was running like on 2 cylinders, barely got home. And now it won't start again, I have tried everything mentioned above, points etc. I took the injector points out cleaned it all out and it definitely got better and trying to start but its just not idling at all.
I even checked if there is water in the tank and there isn't. I drained the tank, checked the fuel filter and filled it again. There is pressure and fuel going to the injectors. Still not starting. I tried one of those injector test LED to plug in and it doesn't seem to work. So not sure what it is? The odd thing is that even when you spray Aerostart into the air filter inlet on the engine, it still not starting.
please help :-(