Checking The System

At high and irregular idle RPM:

• Check the intake system for leaks and damage.

At low and irregular idle RPM:

• Check the intake and exhaust system. Check for blockages.

Remedy as necessary.

Other information 

• see AIR LEAKAGE EXHAUST SYSTEM, CHECK
• see AIR LEAKS IN THE INTAKE SYSTEM, CHECKING

• Continue 

  Refer to INFORMATION