Operation CHARM: Car repair manuals for everyone.

Hesitation on Acceleration

Check the following:

1. Vacuum (intake air) leak

2. Cold start valve leaking

3. Fuel injector(s) clogged

4. Control plunger in fuel distributor binding

5. Fuel distributor faulty

6. Air flow sensor plate potentiometer faulty [1]

7. Fuel pressure incorrect

8. Air flow sensor plate potentiometer faulty [1]

9. Inadequate acceleration enrichment [1]

[1] For testing procedure refer to, COMPUTERIZED ENGINE CONTROLS.

NOTE: After each symptom, the sub-system that could be the source of the symptom are listed and should be checked in the order they are listed, beginning with #1.