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Home >> Mazda >> 1994 >> MX-5 Miata Base, Automatic >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Diagnosis - N4A-El/Hl & NC4A-El >> Trouble Shooting >> Stall Speed Test

Stall Speed Test

  1. Connect tachometer to engine. Depress brake pedal firmly.
  2. Shift to transmission range to be tested. Accelerate engine to full throttle. When engine RPM stabilizes, take reading. DO NOT  hold at full throttle more than 5 seconds. Idle engine one minute between tests. Perform test in all transmission ranges. Compare with STALL SPEED SPECIFICATIONS  table.
CAUTION: Stall speed test generates very high temperatures. NEVER hold throttle wide-open for more than 5 seconds. DO NOT  test more than 2 gears without idling engine to cool off fluids.
STALL SPEED SPECIFICATIONS

Application Stall RPM
B2200
Carbureted 1800-2200
EGI Fuel Injection 1850-2250
B2600 2100-2500
Miata
1990-93 1900-2100
1994 2750-3150
MPV 1800-2200