You might have to get a fuel pressure gauge and take some readings to make sure the CPR/WUR you have is within spec and take it from there. The fuel...
......You could try adding 2 bolts/ wine corks/ bungs etc in the houses where the idle motor goes, and if there is still a high idle then the problem...
Assuming that the hammer on the throttle presses the idle microswitch, remove the white multi plug that has 4 wires on it. Use a multi meter, set the...