Question about AC Delco Fuel Pressure Regulator 1990-1995 Buick Regal Fuel Pressure Regulator, 90-95 Buick Regal AC D

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Can you repair a fuel pressure regulator for a 1990 buick regal

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If your time is worth $20 an hour, it would be cheaper to get a new one, then spending time trying to fix the old one.

And fixing it may only last a few months at best.

Posted on May 17, 2014

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1 Answer

Can't locate fuel pressure resistor on 2000 Buick. Regal 3.8 liter supercharged motor


fuel pressure resistor ???? Do you mean regulator not resistor ?

Mar 20, 2017 | 2000 Buick Regal

2 Answers

98 buick regal has a strong gas smell


Do you know what fuel pressure regulator is ? These like to leak when they get older !
The cartridge type fuel pressure regulator (1) is a diaphragm-operated relief valve (6) with fuel pump pressure on one side, and regulator spring (2) pressure, and intake manifold vacuum on the other side. The regulators function is to maintain a constant fuel pressure across the injectors at all times. The pressure regulator compensates for engine load by increasing fuel pressure as engine vacuum drops.
The cartridge regulator is serviced as a separate component. When servicing the fuel pressure regulator, insure that the O-ring backup, (3) large O-ring, (4) filter screen, (5) and small O-ring (7) are properly placed on the pressure regulator.
It's located on the fuel injector fuel rail !


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Jul 06, 2015 | 1998 Buick Regal

1 Answer

Where is the fuel pressure regulator located on a 99 regal gs supercharged


should be on the fuel rail, take the plastic engine cover off and you should see the injector rails on either side of the supercharger, got to be real close to the line towards the firewall

Nov 10, 2013 | Buick Regal Cars & Trucks

1 Answer

I have a 1990 Buick regal that does not turn over on first attempt and is sluggish to start.


Just to clarify, cranking is the same thing as turning over.
If it cranks but does not start, you need to check the fuel pressure with a gauge before and after you try to start it.
The pump relay allows the pump to run for 3 seconds before the engine cranks to boost pressure in the line. If the check valve in the pump is bad the pressure will drop off when the engine is not running.

Sep 15, 2012 | 1990 Buick Regal

1 Answer

I have a 1990 buick Regal 3.1 that rotates but will not start I have replaced the fuel pump and filter now I have the proper fuel pressure and spark so I did a OBD1 test and came up with code 33 which is...


a bad MAP sensor will definately keep the car from running properly, some vehicles run really rough when it's bad and others won't even start.

Mar 28, 2011 | 1990 Buick Regal

1 Answer

On frist attemp to start car, cranks then dies after few seconds ckd fuel rail , had no pressure , replaced fuel pump regulator , no help !


do you hear the fuel pump turn on when you turn the key to the run position? If not the check the fuel pump relay.

If the car will start and run for a few seconds then die, It may well be the crank position sensor.

Nov 01, 2010 | 1990 Buick Regal

1 Answer

I have a 1990 Buick Regal that stalls while accelerating. And then wouldn't start at all. After letting it cool for a few minutes it started but continued stalling. Before this started happening it was...


most likley a fuel pump issue. The only way to know for sure is hook up a pressure gauge and when you have symptoms check the pressure. If you spray some brake cleaner or quick start when it doesnt start and it does start then this is an indication of a failed fuel pump or fuel pump relay. If it still does not start when you spray then you have an ignition issue like a crank sensor or ignition module.

Jun 19, 2010 | 1990 Buick Regal

1 Answer

92 Buick Regal idles too fast and sputters as if not getting gas. Changed fuel filter, didn't help.


Check the fuel pressure first, get the schematic for the pressure. I think it has to be between 37 and 45 psi. If the fuel pressure isn't in spec, then your fuel pump is to blame. If not then check fuel pressure regulator. Also, go to the library for a Chiltons or Haynes. Happy Hunting!

Oct 29, 2009 | 1992 Buick Regal

1 Answer

Where can i find this at in my car : Fuel Pressure Regulator ?


It should be along the fuel rail or at the end of it where the fuel injectors are connected to,it's round in shape and has a vacuum hose connected to it.

Mar 15, 2009 | 1990 Buick Skylark

1 Answer

1990 buick regal 3.8L- Backfires, stumbles on acceleration


most likelly it is your fuel pump is not puting godd fuel pressure
have the fuel pressure test and if it is low have the fuel pump and filter replaced

May 28, 2008 | 1990 Buick Regal

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