The Geo Underground is a "supermini" that Suzuki debuted in 1983 at the 25th Tokyo Engine Instruct under the label Suzuki Cultus. The Geo Underground debuted in North America in the 1989 imitation year manufactured jointly by Suzuki and Usual Motors nevertheless was picked up by Chevrolet in 1998. It remained in Industry in the USA until 2001.
Pressure that's too low indicates a clogged fuel filter or fuel pump that needs to be replaced.5. Cut the engine and remove the pressure gauge.
Embarkation the Underground and let it canter until it stalls and quits. Eccentric person the engine for at least three seconds to facilitate any remaining energy.
2. Disconnect the adverse battery cable and the fuel compel sensor vacuum hose. Cite to the owner's handbook for the path's site if you aren't sure which one it is.
3. Check for fuel in the line. If there is fuel present in the line, the fuel delivery problem is likely a faulty fuel pump pressure regulator, which means the fuel is flowing back into the lines instead of into the engine and there is not enough fuel in the engine for proper function. If there is no fuel in the lines, reattach the vacuum hose and continue with the fuel delivery diagnostic.
4. Reconnect the negative battery cable, start the engine and let it idle. Check the pressure gauge. The gauge needs to read 25 to 33 pounds per square inch. Pressure that's too high indicates a malfunctioning pressure regulator.
Instructions
1. Remove the direction relay box embrace and disconnect the fuel pump relay from the relay box connector to cooperate fuel manner force. Catch away the succession opening relay located over the left, lower kick panel.The fuel filter in the Geo Metro is integrated into the fuel sender assembly located in the fuel tank. The Metro fuel filter is not detachable to inspect for clogs.
