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TROUBLESHOOTING CHART
(Refer to the chart below for reference)
Possible Solutions
Check for air leaks. Make sure carburetor and manifold gaskets
seal properly. All outlets must be plugged or connected.
Check ignition system. Replace parts as necessary. Adjust timing to
proper specifications.
Check choke adjustment.
Change carburetor fuel filter and/or in-line fuel filter.
Check float level and drop.
Check idle mixture screw adjustment.
Increase accelerator pump stroke. Pump squirter size change may
be needed.
Off-road vehicle may need spring-loaded needle and seat kit
Check for dirt or metal in needles and seats. Needles and seats
may need replacement.
Check for dirt blocking the low speed circuit. Clean unit and apply
air pressure. Install in-line fuel filter #8873.
Check floats for leakage. Replace, if necessary.
Check air horn gasket. Replace, if deterioration or breakage is
present.
Fuel is boiling due to excessive under hood temperature.
Fuel pressure too high. Fuel regulator may be needed.
Fuel pressure too low. Check fuel system.
Check secondary latching device and rod for proper movement.
Lower float level from 11/32" to 7/16".
Part #1400
Rev. 6/10 - AJ/mc
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©2010 Edelbrock LLC
Brochure #63-0443
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