Question about 1998 Oldsmobile Cutlass

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Where is my fuel pressure regulator at?

Im trying to find out where the fuel pressure regulator is in my 98 olds cutlass. replaced the fuel pump, bled the gas line and car wont stay running. my neighbor thinks it might have something to do with a defective antitheft system. help!

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Its located on the fuel rail assembly, under the hood near the throttle body.


Posted on Jun 21, 2009

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Posted on Jan 02, 2017

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I have only 35 to 39 psi gas pressure reading what can cause this. I have replaced the filter plug wires coil packs. when stepping on gas pedal there is alot of hessation


Hey Mike, I know this is hair pulling..You need to replace the fuel pump filter/strainer.. and maybe the fuel pump..the fuel pump determines how much pressure goes through the entire system ... BUT FIRST.. determine (if you can) where the metal flakes came from..(debris is probably from a gas station.. over the years.. I learned NOT to get gas right after heavy rains - guess why?) ,,do you still have the old fuel filter?? carefully cut it open and see whats inside.. (unroll the pleats) if you see a lot of metal flakes like in the tank,, you know they were caught..
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1 Answer

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Has to be fuel related
Are you sure the fuel pump is working properly? Do you have a pinched or plugged fuel line>
Disconnect the fuel line off the carburetor and have some one hit the starter. If gas comes out you know it has to do with the carb. itself.

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Fuel pressure regulator


You can't,you will have to replace fuel pressure regulator or fuel pump,also replace fuel filter,remember to relieve fuel pressure first.

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hi,
I have attached a general video link demonstrating the method of changing the "Fuel Pressure Regulator".please download or watch the video to know how to locate the regulator and how to replace it.Hope your problem is solved.Please rate my solution as helpful.Have a great day.





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sounds sort of like a map sensor or the heating and cooling sensor. Both help regulate the fuel. also need to check to see if the thermastat is stuck to open. If the hot and cold sensor is giving a false reading of hot to the computer this can cause the car not to pump fuel. If the sensor is bad also replace the therm as well.

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