Stall Speed Test: Test

1. Start the engine, and warm it up to normal operating temperature (the radiator fan comes on twice).

• 1. Apply the parking brake, and block all four wheels
• 2. Make sure the A/C switch is OFF
• 3. Shift the transmission to D position/mode while pressing the brake pedal firmly, then press the accelerator pedal for 6 to 8 seconds, and note the engine speed.

  NOTE:  Do not shift the transmission or remove your foot off the brake pedal, while raising the engine speed

• 4. Allow 2 minutes for cooling, then repeat the test in the all shift lever positions.

  NOTE: 

• Do not test stall speed for more than 10 seconds at a time.
• Record the engine speed at 6 to 8 seconds after pressing the accelerator pedal. Higher engine speed will be indicated for 5 seconds.
• Stall speed tests should be used for diagnostic purposes only.
• The stall speed should be the same in all positions/modes.
• Do not test stall speed with a pressure gauge installed.

5. If any of the stall speeds are out of the service limit, refer to the problems and probable causes listed in the table.