2010 250 ProXS Opti sn#1B822048 174hrs on rebuild
second day of the toyota series championship my motor started missing/surging and acting funny. on the way back up towards the weigh in it started an alarm i had never heard, one beep every second for as long as the key was on or motor running. shut it down and got a ride in.
took it to chattanooga fish and fun, Tom checked it out and said the #1 injector "stuck open" was the code but when he test fired it with the laptop everything checked out and thought it was an random error. nope, did it again within 5mins of running.
so took it back up to Duck River(where i bought the motor) and let Brian and his guys have a go at it. they ran it several times and got it throw the code(#1 once and #3 the other time). checked compression(all good). flowed injectors(all good) and they think its a wiring failure.
replaced the plugs(one thread i read suggested a a faulty plug could cause this error)
talked to Don, who suggested "the wiggle test" which i spent most of the day saturday running it, manipulating and inspecting the wiring going to and from the injectors but couldnt find anything.(even swapped injectors from my other motor, didnt solve it).
how do i test the wiring? would rather replace/repair one or two sets of injector wires vs replacing entire wiring harness
TIA!