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Idle Speed & Ignition Timing

Ensure idle speed and ignition timing are set to specification. See IDLE SPEED SPECIFICATIONS  and IGNITION TIMING  tables. For adjustment procedures, see ADJUSTMENTS article in the ENGINE PERFORMANCE Section.

IDLE SPEED SPECIFICATIONS

Application (1) RPM
Accord 500-600
Civic 370-470
Prelude 650-750
(1) With Electronic Air Control Valve (EACV) disconnected, headlights and cooling fan off and transmission in Neutral or Park.
IGNITION TIMING (1)

Application Specification
Accord & Prelude 13-17 @ 700-800
Civic
1.5L
D15B7
A/T 16 @ 700
M/T 16 @ 650
D15B8 12 @ 650
D15Z1 16 @ 600
1.6L (D16Z6)
A/T 16 @ 700
M/T 16 @ 650
(1) Degrees BTDC @ RPM.
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