Operation CHARM: Car repair manuals for everyone.

Cold Engine Test

COLD ENGINE TEST

NOTE:
- The engine coolant temperature must be below the thermovalve A set temperature (55°C,131°F).





1. Disconnect the vacuum hose from the EGR valve and connect a vacuum pump/gauge to the hose.
2. Start the engine and raise the engine speed to 3,000 rpm.
Vacuum should not be available.
- If vacuum is not available, go on to the Hot Engine inspection.
- If vacuum is available, replace thermovalve A and retest.