Ford — Idle Speed Adjustment
Adjustments · Carburetor
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
- With air cleaner in place, run engine at fast idle 5-10 minutes or until normal operating temperature.
- Connect a tachometer to the engine.
- Turn idle speed screw until engine speed is at specification.
- Turn screw in to increase idle speed; turn out to decrease.
- After each adjustment, pull back on throttle lever and release.
- Reset if necessary.
Tools required
- Tachometer Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Idle speed 600 RPM
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.