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Home >> GMC >> 1986 >> Safari Van M V6-262 4.3L >> Repair and Diagnosis >> Powertrain Management >> Fuel Delivery and Air Induction >> Carburetor >> Adjustments >> Rochester Quadrajet M4M Series >> Choke Rod

Choke Rod

Fig. 10 Choke coil lever adjustment:





1. Attach rubber band to green tang of intermediate choke shaft.
2. Open throttle to allow choke valve to close, then rotate gauge to specified adjustment angle.
3. Position cam follower on second step of fast idle cam, next to high step, Fig. 10.
4. To adjust, bend tang of fast idle cam until bubble is centered, then remove gauge.