Green Relay - Checked and Tested Take Off Unit from Donor Vehicle
Idle Air Control Valve (Rear of Plenum) - If your truck has a rough idle it is probably this part that is at fault - ours are ch
Ignition Amp and Heat Sink - Prone to failiure due to heat and moisture ingress - a cheaper alternative than new OEM replacement
Knock Sensors - this control ignition retardation and replace the role of the vacumn pump on later GEMS/BOSCH equipped engines
