Question about 1998 Oldsmobile Cutlass

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Fuel pressure regulator

How big of a job is it to change the fuel pressure regulator on a '98 cutlass?

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Very easy if you have the new one just look at how it is mounted, most times just a couple of retainning screws and it comes right out, bleed the fuel system of pressure before you take it out or put a rag over it, there will be about 40 PSI in the fuel rail.

Posted on Nov 08, 2008

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Posted on Jan 02, 2017

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Where if fuel pressure test port 1990 oldsmobile cutlass ciera 4 cylinder - O2 sensore read code 44


The internet is filled with all sorts of OBD1 Code 44 info to read

Bad Egr Valve --letting unmetered air in
Vacuum Leaks in the Exhaust Before the O2 Sensor
Bad Oxygen Sensor or corroded wiring
Vacuum leaks anywhere
Fuel Pressure too low
& more

You'd have to tee into the fuel filter to use a fuel pressure gauge,
if you got no shrader valve on the motor

You changed a fuel pressure regulator-- in the throttle body?

You won't see much with a scope on that system, if you scope
the O2 Sensor,their sort of slow compared to OBD2

Mar 28, 2014 | 1990 Oldsmobile Cutlass Ciera

1 Answer

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.

Apr 28, 2013 | 1994 Oldsmobile Cutlass Ciera

1 Answer

88 olds cutlass ciera international getting error code 45 cant find it in the book


Code 45 is for a rich O2 sensor. If you have already changed the sensor, the fuel mixture may actually be rich.
Possible causes include a leaking fuel injector, faulty fuel pressure regulator, or other problems.

Apr 14, 2013 | 1992 Oldsmobile Cutlass Ciera

1 Answer

1989, Cutlass Supreme, 3.1, what is the recomended fuel pressure? Is there a test for the fuel pressure regulator?


30-40psi. one thing to check first is the vaccumm hose at the fuel pressure regulator, take it off, if it leaks fuel, replace the regulator. when the engine is running you should have approx 30psi, with vaccumm hose off, approx 40psi.

Sep 14, 2011 | Oldsmobile Cutlass Supreme Cars & Trucks

1 Answer

My car is hard to start in the mornings, it keeps dying out. already replaced fuel pressure regulator and spark plugs what could it be. this problem only started after i fixed the fuel pressure regulator.


probly shud change distributer cap and plug cables--they wear out--ignition module may hav issue too--test to see if ur gitten fuel pressure the regulator may need testing--buy a haynes manual for maintenance details

Dec 14, 2010 | 1988 Oldsmobile Cutlass Supreme

2 Answers

I need to replace the fuel pressure regulator in my 1995 cutlass supreme, can you help me locate this part in my car


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.





Mar 09, 2010 | 1995 Oldsmobile Cutlass Supreme

2 Answers

Stalls when hot


Try a crank sensor. It's just above the oil pan center between the engine and transmission. Look and see if the old one is cracked.

Jul 13, 2009 | 1989 Oldsmobile Cutlass Ciera

1 Answer

Where is my fuel pressure regulator at?


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


Jun 21, 2009 | 1998 Oldsmobile Cutlass

2 Answers

1996 Oldsmobile Cutlass will not stay running


Your fuel pressure should be at least 40psi at all times. The most common problem is the diaphram inside the "fuel pressure regulator" fails. This in turn sends excess fuel into the vacuum line and intake. I would replace the fuel pressure regulator.

I hope this information helps you, and I wish you luck with your repair.

Apr 26, 2009 | 1993 Oldsmobile Cutlass Supreme

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