Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSACURA1999NSX-T V6-3.2L DOHC (VTEC)REPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLETESTING AND INSPECTIONON VEHICLE INSPECTIONSTALL SPEED TEST
1999 Acura NSX-T V6-3.2L DOHC (VTEC)
Stall Speed Test
1999 Acura NSX-T V6-3.2L DOHC (VTEC)SECTION Stall Speed Test
STALL SPEED TEST
CAUTION:
- To prevent transmission damage, do not test stall speed for more than 10 seconds at a time.
- Do not move the shift lever while raising the engine speed.
- Be sure to remove the pressure gauge before testing stall speed.

1. Engage the parking brake and block all four wheels.
2. Connect a tachometer to the engine (or use the PGM Tester), then start the engine.
3. Make sure the A/C switch is OFF.
4. After the engine has warmed up to normal operating temperature (the cooling fan comes on), shift into [2] position.
5. Fully depress the brake pedal and accelerator for 6 to 8 seconds, and note engine speed.
6. Allow 2 minutes for cooling, then repeat same test in [1], [D] and [R] positions.
NOTE:
- Stall speed tests should be used for diagnostic purposes only.
- Stall speed should be the same in [1], [2], [D] and [R] positions.
Stall Speed RPM: Specification: 2,100 rpm
Service Limit: 1,950 - 2,250 rpm
CAUTION:
- To prevent transmission damage, do not test stall speed for more than 10 seconds at a time.
- Do not move the shift lever while raising the engine speed.
- Be sure to remove the pressure gauge before testing stall speed.
1. Engage the parking brake and block all four wheels.
2. Connect a tachometer to the engine (or use the PGM Tester), then start the engine.
3. Make sure the A/C switch is OFF.
4. After the engine has warmed up to normal operating temperature (the cooling fan comes on), shift into [2] position.
5. Fully depress the brake pedal and accelerator for 6 to 8 seconds, and note engine speed.
6. Allow 2 minutes for cooling, then repeat same test in [1], [D] and [R] positions.
NOTE:
- Stall speed tests should be used for diagnostic purposes only.
- Stall speed should be the same in [1], [2], [D] and [R] positions.
Stall Speed RPM: Specification: 2,100 rpm
Service Limit: 1,950 - 2,250 rpm
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.