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Idle Speed

Warm engine to normal operating temperature. Connect tachometer. Check idle speed. To adjust idle, ensure that there is some free play in accelerator cable. Loosen lock nut on idle adjusting bolt. Adjust idle speed, accelerate engine 2 or 3 times and return to idle. Recheck idle speed. When idle is correct, tighten lock nut on adjusting bolt.

IDLE SPEED

Application RPM
All Models 700
Fig 1: B2200 Diesel Fuel Injection Pump
G09314273Courtesy of MAZDA MOTORS CORP.