Causes Analysis
Carbon deposit (a mixture of engine oil vapor and dust) build up around throttle body, throttle body stuck affecting the engine RPM stability
Solutions
Suggest to repair at workshop, repair procedure as below:
1. Check the ignition system with scan tool to see if there is any error code, evaluate the root cause of the error by reading the throttle body opening angle.
2. Check if engine intake hose if it is broken or fell off.
3. Clean the carbon deposit in the throttle body and resetting the engine using scan tool.
1. Check the ignition system with scan tool to see if there is any error code, evaluate the root cause of the error by reading the throttle body opening angle.
2. Check if engine intake hose if it is broken or fell off.
3. Clean the carbon deposit in the throttle body and resetting the engine using scan tool.
