the computer module sets the ratio depending on operating modes,temperate sensor output. more information is in the chilton manual-fuel system.
No.
8-10 psi
No !
91 S10 4.3 L engine requires 41 to 47 psi fuel pressure.
It doesn't have a reset switch.
Inside the fuel tank. The fuel tank must be removed to gain access to the pump.
The wire may be shorted to the frame.
on a 91 blazer s10 4wd
drop the gas tank then spin the lock ring off, take out and put new one in.
The. Mix is 20 to 1 it will run well on that. With 91 octane gasoline
No. Only one wire should have power, the other is the ground.Type your answer here...
Need to know what size engine you have in that 91 S10. If it is a 4.3L, the fuel pump relay would be found under the hood, on the firewall, drivers side, between the master cylinder and the fender. If there is two relays there, it would be the one closer to the fender.