FixVault
Home
›
Ford
›
1990
›
Bronco II 4WD, Automatic
›
Repair and Diagnosis
›
Engine Performance
›
System
›
Engine Controls - Tests W/Codes
›
Test H - Fuel Control
›
Code 43
Code 43
HEGO indicated that the fuel system was lean during WOT for more than 3 seconds.