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Home >> Nissan-Datsun >> 1995 >> Sentra Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing 1.6L >> 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
1.6L
A/T (4) 750-850 (4) 675-775 7.0%
M/T 625-725 575-675 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)
Sentra 6-10 @ 575-675 6-10 @ 675-775
(1) Automatic transmission/transaxle in Neutral.
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