Symptom | Possible cause(s) |
Poor throttle response at low RPM | Low fuel pressure caused by filter blockage/leaks |
Cutting out at idle | Throttle bodies out of balance ISC (Idle Speed Control) actuator inoperative Low fuel pressure Weak mixture caused by air leak at the throttle body/transition piece to cylinder head face |
Idle speed too low/high | ISC (Idle Speed Control) actuator sticking Incorrect closed throttle position setting Mechanical fault with the throttle linkage |
Diagnostic software malfunctions during tune download procedure | Low battery voltage |
Throttle hang-up | Incorrect closed throttle position setting |
Motorcycle will start but cuts out immediately | ISC motor stuck Low fuel pressure caused by filter blockage/leaks |
Abnormally high fuel pressure | Fuel pressure regulator inoperative |
Temperature gauge reads cooler than normal | Cooling system air-locked resulting in coolant temperature sensor operating in air instead of coolant |
Motorcycle will not start | Check the immobiliser system for faults Ensure that the keys, ECM and immobiliser/TPMS control module are all correctly paired |