Idle Speed/Ignition Timing/Idle Mixture Ratio Inspection
EF & EC-398flowchartSR20DE idle speed adjusting screw shown. CONSULT work-support alternative procedure provided.
Checking and adjusting idle rpm and ignition timing (continued)
1
I (from previous page)
2
Adjust ignition timing to the specified value by turning distributor after loosening bolts which secure distributor.
15° B.T.D.C.
3
Check idle speed.
• Read idle speed in "IGN TIMING ADJ" in "WORK SUPPORT" mode.
OR
• Check idle speed.
800±50 rpm
N.G.
Race engine (2,000 - 3,000 rpm) 2 or 3 times under no-load and run engine at idle speed.
Race engine (2,000 - 3,000 rpm) 2 or 3 times under no-load and run engine at idle speed.
Adjust idle speed by turning idle speed adjusting screw.
800 rpm
Check idle speed.
• Read idle speed in "IGN TIMING ADJ" in "WORK SUPPORT" mode.
OR
• Check idle speed.
800±50 rpm
O.K.
4
1) Touch "BACK".
OR
1) Turn off engine and connect throttle sensor harness connector.
2) Start engine.
5
Race engine (2,000 - 3,000 rpm) 2 or 3 times under no-load and run engine at idle speed.
6
J (continues on next page)
