Accord L4-1955cc 2.0L SOHC 2-bbl (1986)
Air/Fuel Mixture: Adjustments
Fig. 16 Equipment Hookup For Setting Idle Mixture Using Propane Enrichment Method
Note: This procedure requires that the idle speed is properly set. Refer to IDLE SPEED before continuing with this procedure.
1. Start engine and run until cooling fan comes on.
2. Remove air cleaner intake tube from intake duct and connect tachometer.
3. Insert propane enrichment hose approximately 4 inches into air intake hose.
4. Note idle speed, slowly open propane valve.
Propane Enrichment RPM Curve
5. Adjust propane to achieve the highest possible rpm gain over curb idle speed. Note RPM increase.
Specified Value: 15-55 RPM
6. If RPM increase is correct, mixture is set correctly. If rpm increase was not correct proceed to the next step.
Note: If idle mixture plug has been previously removed go to step 17.
7. Stop engine.
8. Remove air cleaner. Disconnect the vacuum hose to the fast idle unloader.
9. Disconnect throttle cable.
10. Remove carburetor mounting nuts and the bolt securing the steel vacuum line manifold running behind carburetor.
