Edelbrock 1400 User Manual

Page 5

Brochure #63-0443

Part #1400
Rev. 6/10 - AJ/mc

Page 5 of 5

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”.

Carburetor doesn’t

adjust properly

Carburetor floods

Fuel leaks a

t shaft

Internal fuel leak

Misses or surges

Stumbles or loads up

Engine won’t idle

Rough idle

Backfires

Bogs

Hard starting

Lack of po

wer

Pinging a

t modera

cruise just off idle

Engine stalls on hard

braking

w fuel economy

Possible Solutions

Symptoms

TROUBLESHOOTING CHART
(Refer to the chart below for reference)