Troubleshooting Hints

The MIL is turned ON and DTC (Diagnostic Trouble Code) displayed on Hi-scan under the conditions as below.

1. The manifold pressure indicates 118mb or less for 0.1 second when the ignition key is turned on.
2. The manifold pressure indicates 118mb or less when the rate is 1980 RPM or less.
3. The rate is 2400rpm or above when the manifold pressure indicates 986mb or above, or the accelerator pedal is released (on deceleration)