DR-34 Driveability Problems Not Related to Engine Controls

If upon completion of all previous diagnostic procedures, 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. Check engine cooling system.
5. Ensure exhaust system is free of any restrictions.
6. Inspect PCV system.
7. Check engine drive sprockets.
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. Check injector flow rate.
12. Verify the oxygen sensor by roadtesting with the readout box switching 0-1, if there is NO 0-1 switching replace the oxygen sensor.