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Is there a vacuum hose to the fule pressure regalator

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  • coop442000
    coop442000 Sep 28, 2010

    What engine is in your van?

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Yes

Posted on Sep 28, 2010

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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 !


Search from over 10 Million Auto Parts

Jul 06, 2015 | 1998 Buick Regal

1 Answer

Where is the fuel pressure regulator on a 2008 cobalt?


Look at your fuel rale. At the end of the fule rale is where the fuel pressure reg, is located. It should have a vacuume hose it it also. It should be about 2 inches round and about and inch thick.

Dec 02, 2012 | Chevrolet Cobalt Cars & Trucks

2 Answers

99 buick regal supercharge starts fine in the morning but after accelerating cuts off


You have a MAF and MAP, The mass air flow signal varies with engine load.It is attatched to throttle body. This if it is the primary signal can cause the problem you desribe try and disconnect it and see if it idles properly. The next item you need to inspect is the MAP ,manifold air pressure this is a back up for the MAF sensor.If this sensor fails you will not accelerate correctly and stall out flooding the vehicle with fuel. This monitor the MAF and your EGR. If the EGR valve is stuck open the vehicle stumble and stall out and affect the performance of the MAF and MAP.Make sure your MAP is connected and the vacuum hose is attatch this item is located at top rear engine compartment near fuel injectors

Feb 24, 2012 | 1999 Buick Regal

1 Answer

What is a vaccum leak on a 1999 buick regal


All engines have vacuum created in the intake manifold, because the pistons are pulling in air into the cylinders from the intake manifold, resulting in a pressure drop in the intake. A leak is caused when the intake manifold gasket is bad, or when a vacuum hose off the intake becomes disconnected or breaks. The hose will then **** extra air into the intake, causing a higher than normal idle, maybe a rough running condition, and can be identified by a slight whistling noise at the break or at the disconnected end of the vacuum hose.

Feb 20, 2012 | 1999 Buick Century

2 Answers

Need to find and replace the DPFE-15 sensor. Dealership diagnosed when service engine light came on and saaid this is what needed replacing. Problem is I do not know where to find it on the engine.


Exhaust Gas Recirculation (EGR) System The exhaust gas recirculation (EGR) system is designed to:
  • reintroduce exhaust gas into the combustion cycle.
  • lower combustion temperatures.
  • reduce the formation of oxides or nitrogen (NOX).
The amount of exhaust gas reintroduced and the timing of the cycle varies by calibration. Timing and volume are controlled by the following:
  • engine rpm
  • engine vacuum
  • exhaust system back pressure
  • engine coolant temperature
  • air charge temperature
  • throttle position
The EGR valve (EGR valve) (9D475) is vacuum-actuated. The vacuum hose routing diagram is shown on the Vehicle Emission Control Information (VECI) decal. The EGR system is a differential pressure feedback EGR Sensor system. Differential pressure feedback EGR Sensor is a subsonic closed loop EGR system. The differential pressure feedback EGR system:
  • monitors EGR flow rate by the pressure drop across the metering orifice located in the EGR tube.
  • uses a differential pressure feedback EGR sensor as the feedback device.
  • uses the EGR valve only as a pressure regulator, rather than a flow metering device.
  • controlled pressure is varied by the valve movement using vacuum output of the EGR vacuum regulator solenoid (9J459).
  • allows for a more accurate assessment of EGR flow requirements.


Differential Pressure Feedback EGR Flow Diagram


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Differential Pressure Feedback EGR Sensor Removal
  1. Disconnect engine control sensor wiring (12A581) from Differential Pressure Feedback EGR Sensor.
  1. Disconnect Differential Pressure Feedback EGR Sensor hoses from EGR valve to exhaust manifold tube (9D477).
  1. Remove retaining nuts or bolts (depending upon application) and EGR Differential Pressure Feedback transducer.
Installation
  1. Follow removal procedure in reverse order.
  1. Tighten retaining nuts or bolts (depending upon application) to 5-7 Nm (45-61 lb-in).


    Differential Pressure Feedback EGR Sensor, 3.0L (2V) Engine


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    Differential Pressure Feedback EGR Sensor, 3.0L (4V) Engine


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    Item Part Number Description 1 6049 RH Cylinder Head 2 - Differential Pressure Feedback EGR Sensor 3 - Nut (2 Req'd) 4 - Stud Bolt 5 - Bolt (2 Req'd) 6 - Differential Pressure Feedback EGR Sensor Bracket A - Tighten to 5-7 Nm (45-61 Lb-In) B - Tighten to 8-12 Nm (71-106 Lb-In)

    Engine Emission Control Component Location-3.4L SHO Engine


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    Item Part Number Description 1 95607-05200 Nut 2 - EGR Sensor Hose 3 - EGR Sensor Hose 4 95027-08016 Bolt 5 - Differential Pressure Feedback EGR Sensor 6 9J433 Differential Pressure Feedback EGR Sensor Mounting Bracket 7 9D474 EGR Solenoid Vacuum Valve (2 Req'd) 8 A4670 Vacuum Tube Assembly 9 9424 Intake Manifold 10 9J459 EGR Vacuum Regulator Solenoid A - Tighten to 5-7 Nm (45-61 Lb-In)
Hope this helps

Aug 14, 2011 | 1999 Ford Taurus

1 Answer

3.8L v6, 1995 Buick Gran Sport; When A/C is on and i step on accelerator the air coming out of the dash vents drops to zip. Found leaky hose from fuel pressure regulator and manifold pressure...


It's most likely a vacuum line, look under your hood (close to the cowl panel) for a disconnected, cracked or broken vacuum line.

In some rear cases, it could be the vacuum switch (in dash). Or vacuum diaphragm (under dash).

Hope this helps you ???

Jul 16, 2011 | 1995 Buick Regal

1 Answer

How do you replace the high-pressure hose for a 1992 Buick Regal?


Which high pressure hose? if A/C, this requries special tools and training. It is VERY EASY to get seriously injured. Take this job to a shop.

Sep 26, 2010 | 1992 Buick Regal

1 Answer

How do I repair a vaccuum leak hose in my 1996 buick?


HAVE TO REPLACE THE VACUUM HOSE.GO TO ANY AUTO PART STORE.TAKE THE OLD VACUUM HOSE THEY WILL MEASURE AND CUT YOU A NEW VACUUM LINE SAME SIZE AND LENGH AS THE OLD ONE.

Jun 08, 2010 | 1996 Buick Regal Olympic Gold

3 Answers

I have a 96 camaro 3800 v6 it stumbles and misses when taking off and when in full throttle, but once you get past 2000 rpm its fine


4.3L for some reason tend to have problems with the fule pressur regulator. its a smoll round metal valve. you will fined it on the driverside fuel rail. also replace your fule filter and run an injection cleaner through the tank. hope this helps.

Aug 15, 2009 | 1996 Chevrolet Camaro

1 Answer

No start


if it runs on starting fluid its a fuel problem.. check fuel pressure even if its a couple of pounds off, the vehicle will not run. but using starting fluid may give you the extra poundage you need to make it run . also check vacuum hose at pressure regulator on fuel rail

Aug 02, 2008 | 1991 Buick Regal

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