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Regulator problems are what ? - Cars & Trucks

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Posted on Dec 02, 2012

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Posted on Jan 02, 2017

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If it's a fuel pressure problem,could it be the filter?


fuel pressure problem could be the pump the flow filter in the pump or the filter on the line. if the fuel pressure is ok before the fuel regulator and not after the regulator then the regulator can be the problem, fuel filter in the tank around the area the pump is hit the bottom while the engine is not running this can sometimes push the tank sediment out of the pump filter, fuel filter this would need replacing, its recommended to change them around every 2 to 3 years. regulators, they dont really go wrong but if they do its usually from much getting to the regulator, via a damaged filter, you would need to remove the regulator and back flush it with the regulator in the open positing some are electric and some are vacuum feed. usually if the take feed is slow and it blocks at the tank then replace the fuel filter 2 to 3 times, as the pump can pass the muck into the filter over time.

Jul 07, 2017 | Cars & Trucks

1 Answer

I have a mitsubish L200 triton with acceleration problems and give an error P0089.How to fix the error


code p0089 refers to fuel pressure regulator---performance problem===causes --fuel pressure regulator--- mechanical fault
check the regulator operation as it controls the operation of the fuel pump as well
At this point I would be considering a new regulator or checking any wires connected to it

Jan 02, 2017 | Cars & Trucks

1 Answer

Why does my 1999 Infiniti Q45 starts then dies after 5 seconds?


If the regulator has a vacuum line to the back of it ,check that the line is operational. A good fuel flow before the pump indicates that the pump is moving volume but when a restriction is added ( regulator ) it may be passing the fuel back past the gears in the pump. have a fuel pressure test done on the fuel manifold . If it is excessive then there is a problem in the regulator. However if it is low then the problem may be in the pump.

Sep 11, 2014 | Infiniti Q45 Cars & Trucks

1 Answer

The windows wont go up on my 1996 buick park avenue i need to know where the fuse for the window is and other possible problems


I have an '03 buick regal and I've had window regulator problems, as many other buick owners have. After the third regulator breaking, and close inspection of broken pieces, every regulator failed and broke in the same identical spot. The weak part is on the regulator guide where the end cables connect in a plastic "housing". On my latest replacement regulator, before installing I made a small re-inforcement piece out of aluminum to back up the weak plastic piece. I've had no problems or breakage since. So I also took apart the other 3 window regulators and upgraded them before they broke...again.

Aug 20, 2011 | 1996 Buick Park Avenue

2 Answers

The gas regulator is leaking. After replacing with a new regulator it still leaks. What are the common problems?


I am taking it that you changed the '0' rings on the regulator and fuel line and thats not an issue. That being the case I would have to say that your fuel rail is cracked where the regulator fits.

Jan 23, 2011 | 2000 Pontiac Montana

1 Answer

The car does not accelerate well. I had the car tuned up - still same problem. In my garagetoday while car was in Park, I pressed the pedal and held it steady - the RPMs dropped, then climbed back up,...


Hi, I recommend you check the fuel pressure regulator for a torn diaphram. The vacuum reduces fuel pressure when the engine is not in high fuel demand. However, since the intake manifold is the source of vacuum for these type regulators, when the diaphram tears, it allows fuel to be sucked through the regulator directly into the intake manifold, thus causing a rich fuel/air ratio. To check a regulator on the rail, pull the vacuum hose off the regulator and plug the hose with a golf tee. Start the engine and watch for fuel to come out of the regulator vacuum port. If fuel comes out, replace the regulator. A diagram showing your regulator is pasted in below. If this is not the problem, please get back to me.

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Jan 14, 2011 | 2002 Buick Century

1 Answer

Staring problem in the morning, plugs are going dark and fuel consumtion is high.


Hi, there are a couple possible reasons for this problem. My first guess would be a torn fuel pressure regulator diaphram. Second guess would be leaky injectors. Let's hope it's the regulator, 'cause that's easier. The regulator is on top of the engine attached to the fuel rail. It looks like the picture below. To check a regulator on the rail, pull the vacuum hose off the regulator and plug the hose with a golf tee. Start the engine and watch for fuel to come out of the regulator vacuum port. If fuel comes out, replace the regulator. Let me know if this isn't the problem or if you have any questions and thanks for using FixYa.

jturcotte_93.jpg

Dec 25, 2010 | 1995 Toyota Corolla

1 Answer

I have a 2004 Tahoe which has misfire problems (P0300). I changed the plugs, wires, fuel filter and air filter but problem still exist. The 4 plugs on the passenger side continue to file out and become...


Removal & Installation of fuel Regulators on
4.8L, 5.3L & 6.0L Engine To Remove:
CAUTION
Three styles of fuel pressure regulators and fuel rails will be used in this model year. Each regulator has a different "footprint" that consequently changes the size of the receiving port in the fuel rail. The regulator retaining clips are specific to each rail-regulator design and cannot be interchanged.
chevy_aval15_02-04_fuelrail.gif

  1. Remove the engine sight shield.
  2. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure.
  3. Clean the fuel pressure regulator retainer and the surrounding area.
  4. Remove or disconnect the following:
    • Fuel pressure regulator vacuum line.
    • Fuel pressure regulator retainer.
    • Fuel pressure regulator.
  5. Remove the following parts from the fuel rail:
    • Backup ring (10)
    • Regulator Seal O-ring (11)
    • Regulator filter (12)
    • Regulator seal O-ring (13)
To Install:
chevy_aval15_02-04_retainer.gif

  1. Make sure the NEW fuel pressure regulator retainer is the right one.
  2. The tabs (1) are used on the straight vacuum port retainer (2), and the E85-straight vacuum port retainer (3).
  3. The angle vacuum port retainer (4) has no tabs. chevy_aval15_02-04_fuelrail.gif

  4. Install the following parts onto the fuel pressure regulator (9).
    • Backup ring (10)
    • Regulator seal O-ring (11)
    • Regulator filter (12)
    • Regulator seal O-ring (13)
  5. Lubricate the fuel pressure regulator O-rings with clean oil.
  6. Install the fuel pressure regulator and retainer. CAUTION
    Whenever the fuel pressure regulator is removed from the fuel rail NEW O-rings and a NEW retaining clip should be used on reinstallation.
  7. Connect the vacuum line.
  8. Tighten the fuel filler cap.
  9. Use the following to inspect for leaks:
    • Turn ON the ignition, with the engine OFF, for 2 seconds.
    • Turn OFF the ignition for 10 seconds.
    • Turn ON the ignition, with the engine OFF.
    • Install the engine sight shield.
8.1L Engine To Remove:
Fuel pressure regulator vacuum line gm_trk_sub15_fuel_press_reg_vac_line.gif

  1. Before servicing the vehicle refer to the precautions at the beginning of thjs section
  2. Remove the fuel injector sight shield as needed
  3. Relieve fuel system pressure (See: Fuel Pressure Relieving)
  4. Disconnect the fuel pressure regulator vacuum line (A) 8.1L Fuel pressure regulator retainers gm_trk_sub15_81l_fuel_press_reg_retainers.gif

  5. Clean any dirt from the fuel pressure regulator retainer and the surrounding area
  6. Remove the fuel pressure regulator retainer (I)
  7. Remove the fuel pressure regulator (H) from the fuel pressure regulator housing
To Install:
8.1L Fuel pressure regulator retainers gm_trk_sub15_81l_fuel_press_reg_retainers.gif

  1. Install or connect the following:
    • Backup ring (J) on the fuel pressure regulator (H)
    • New large O-Ring (K) on the fuel pressure regulator
    • Regulator filter (L) on the fuel pressure regulator
    • New small O-Ring (M) on the fuel pressure regulator
  2. Lubricate the fuel pressure regulator large O-Ring and the small O-Ring with clean engine oil
  3. Push the fuel pressure regulator onto the regulator housing on the fuel rail
  4. Install a new fuel pressure regulator retainer (I)
  5. Install or connect the following:
    • Fuel pressure regulator vacuum line
    • Negative battery cable
  6. Tighten the fuel filler cap
  7. Inspect for leaks using the following procedure:
    • Turn on the ignition with the engine off for two seconds
    • Turn off the ignition for 10 seconds
    • Turn on the ignition with the engine off
    • Inspect for fuel leaks
  8. Install the fuel injector sight shield
  9. Road test the vehicle to check performance
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Sep 02, 2010 | Chevrolet Tahoe Cars & Trucks

1 Answer

How to replace power window regulator....


Hello, before replacing the power window regulator, always check to see if the window motor or the regulator is the problem. Turn the ignition key ON and listen for the window motor,if the window motor can be heard when you move the switch and the window does not move, the regulator is definitely bad, and if the motor does not work, the motor is the problem.This is a common problem for the window regulators to go bad. The cable is probably fine but the plastic piece that the cable locks into i bet is broken. These are not replaceable you will have to replace the whole regulator. Beware of aftermarket ones they are not as good as OEM but they are very expensive at the dealer probably about 250.00 to 300.00 dollars.

Thanks

Aug 18, 2010 | 1998 Buick Century

1 Answer

I NEED TO GET THE DRIVERS WINDOW TO GO UP!! IT IS STUCK DOWN AND I THINK IT IS THE SWITCH BECAUSE IT GOES DOWN WITHOUT A PROBLEM BUT WHEN I PRESS UP NOTHING HAPPENS. I GOT THE DOOR PANEL OFF AND I JUST...


the window regulator is bolted or riveted to the door frame..the window is bolted to the window regulator(do that first).. once unplugged and out you can disassemble motor from regulator adn change out failed motor or failed regulator (big sissors looking metal arm system) usual problem is stripped teeth on regulator (driven gears)... if rivets held regulator you will need to change to small bolts/washers to reassemble... good luck

Dec 26, 2008 | 1997 Chevrolet Lumina

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