Symptom/Condition, Diagnosis & Parts Information
SYMPTOM/CONDITION1988 Model ECU replaced by a 1989 Model ECU (PN T0741580).
DIAGNOSIS
Perform "Vehicle Test" and "State Display" tests with MS 1700 Electronic Diagnostic Tester, as well as a visual inspection EFI system components. If thorough diagnostic testing in that no other EFI system abnormalities exist, and ECU replacement is required, then you must perform the following repair procedure.
PARTS REQUIRED
ECU PN T0741580 (7700 741 580)
1/8 inch diameter heat-shrink tubing.