DR-33A Problems Not Related to Engine Controls
If upon completion of all previous diagnostic procedures, the original driveability problem still exists, check the following items:
1. Ensure engine vacuum is at least 13 inches at idle in Neutral.
2. Check valve timing.
3. Check engine compression.
4. Engine Cooling System must be able to reach operating temperature.
5. Ensure exhaust system is free of any restrictions.
6. Inspect PCV system.
7. Fuel pump pressure, volume and vacuum is at specifications.
8. Ensure torque converter stall speed is at specifications.
9. Inspect power brake booster for vacuum leaks.
10. Check for fuel contamination such as high alcohol and water content.
11. Carburetor, set to specifications and no contamination to any circuits.