Ford — Fuel Pump Capacity (Volume) Test
Testing & diagnosis
From a Ford service manual covering: 140 CID, 2.3 LITRE, 2300 cc, LSG-423. Check it applies to your exact model before use.
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Procedure
- Operate engine at specified idle rpm.
- Open hose restrictor and expel fuel into container while observing time required to expel one pint.
- Close restrictor.
- One pint or more of fuel should be expelled within the specified time limit.
- If volume is below specification, repeat test using auxiliary fuel supply and a new fuel filter.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Minimum volume flow: 1 pint in 25 seconds
Source: Ford service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.