Question about 1993 Saturn SL1
A fuel pressure regulator is located on the injector rail. It generally looks like a round chrome or black diaphragm with a vacuum line attached.
This is what controls the amount of fuel the injector get. They are fairly simple to replace, just shut off the car, make sure that you have released all the pressure in the fuel rail and then remove the regulator by removing the 2 (Generally 2) mounting screws and the vacuum line. Re install in reverse order and that's it.
Posted on Aug 03, 2010
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Posted on Jan 02, 2017
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