Firebird V8-305 5.0L VIN F FI (1987)
Chart A-7 - "Engine Cranks But Won't Run" (Part 2 of 2)
CHART A-7 (Part 2 of 2) FUEL SYSTEM DIAGNOSIS
Test Description: Numbers below refer to circled numbers on the diagnostic chart.
5.
Pressure but less than 280 kPa (40.5 psi) falls into two areas:
Regulated pressure but less than 280 kPa (40.5 psi). Amount of fuel to injectors OK but pressure is too low. System will be lean running and
may set Code 44, Also, hard starting cold and overall poor performance.
Restricted fuel flow: Normally, a vehicle with a fuel pressure of less than 165 kPa (24 psi) at idle will not be driveable. However, if the