Quote:
Originally Posted by brentw1
measure the voltages at the injectors and coils with a scope if you have it to eliminate cut or broken
wires etc.
with compression so close it would seem odd to be cams or valves or anything else.
also of corse the hall sensors.
I have had a bad main coil but it ran ok on the stick coil.
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What is the voltage supposed to be to the injectors and the coil. I've pretty much elminated the coil, both stick and main coil as I have a spares. I was having a problem with it last year and I thought it was the coil for the lower plugs, so I bought a new one with wires. That was on it when I started it and I immediately went back to my old coil and wires with the same result. I'm starting to like Jony's idea about a wire some where arcing. But I'd love to rule out that by knowing the proper voltage is coming to the plugs. Some where way back when I had read that you can pull a coil or plug wire and put a plug on it and then roll the engine around manually to TDC and that it should fire at TDC and that was one way to check that issue. I haven't tried but probably will this weekend as i'm starting to really scratch my head on this one. I'm not sure if anyone noticed where I said the tach was not working, but everything else on the gauge cluster is. Do you know what drives the tach and or where the relay is to it on the motor ?