Bonneville V6-231 3.8L VIN 3 SFI (1988)
Chart A-7 - Fuel System Electrical Diagnosis (Part 2 of 2)
CHART A-7 (Part 2 of 2) FUEL SYSTEM PRESSURE TEST
Test Description: Numbers below refer to circled numbers on the diagnostic chart.
5.
Pressure but less than specifications falls into two areas:
Regulated pressure but less than specifications; The amount of fuel to injectors is OK but pressure is too low. The system will be lean running
and may set Code 44. Also, possible hard starting cold and overall poor performance.
