74- f-100 360 stalling problems
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From: Indy
74- f-100 360 stalling problems
Truck idles very well when in park but when taking off will just stop. However if you let it get up to speed very slowly it run like normal after 40. Does anyone have any ideal what could be causing this?
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
Originally Posted by Esmith215
Truck idles very well when in park but when taking off will just stop. However if you let it get up to speed very slowly it run like normal after 40. Does anyone have any ideal what could be causing this?
Symptoms:
Bogging down upon accelerating from a dead stop / Bucking when stepping on the gas at speed.
The fix: New accelerator pump diaphram and check valve. These can be bought separately or with the carb kit.
NOTE: When removing the old diaphragm, use caution...there's a coil spring behind it.
The acc pump diaphram & check valve are located at the front of the carb behind a plate/lever held on with 4 screws.
C4AZ-9B559-A .. Acc Pump Diaphram (Motorcraft CM-463)
C4AZ-9576-A .. Acc Pump Check Valve (Motorcraft CM-825)
D4AZ-9A586-A .. Carb Kit (Motorcraft CT-499-D)
