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Home >> Nissan-Datsun >> 1995 >> 240SX Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing 2.4L >> Idle Speed & Ignition Timing
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Idle Speed & Ignition Timing

Ensure idle speed and ignition timing are set to specification. Improper setting of ignition timing and idle speed may cause driveability problems and/or false setting of trouble codes. For adjustment procedures, see the ADJUSTMENTS article.

4-CYLINDER IDLE SPEED & CO LEVEL

Application (1) Idle RPM (2) Idle RPM (3) Maximum CO Level
240SX (4) 650-750 (4) 600-700 7.0%
(1) With throttle position sensor connected.
(2) With throttle position sensor disconnected.
(3) Measured in self-diagnostic mode II.
(4) Automatic transmission/transaxle in Neutral.
4-CYLINDER IGNITION TIMING

Application Man. Trans. (Degrees BTDC @ RPM) (1) Auto. Trans. (Degrees BTDC @ RPM)
240SX 18-22 @ 650-750 18-22 @ 650-750
(1) Automatic transmission/transaxle in Neutral.
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