1991 Lexus LS400 – Cranks & Stalls

Vehicle cranks normally but within a few seconds the engine starts to stall. If the throttle is pressed the engine will run but it surges severely. With a little research I found that the fuel pump on this vehicle operates at two different speeds and that the speeds are controlled by changing the supply voltage. … Continue reading “1991 Lexus LS400 – Cranks & Stalls”