Operation CHARM: Car repair manuals for everyone.

Engine Misses or Hesitates Under Load

*** UPDATED BY TSB #289002 DATED MARCH 1990

Check the following:

1. Spark plug angle connectors [1]

2. Fuel injector(s) clogged

3. Fuel pressure incorrect

3. Oxygen sensor system faulty [2]

5. Fuel leak(s)

6. Coolant temperature sensor and wiring [2]

[1] Refer to TSB #289002 dated March 1990 for parts update

[2] 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.