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How do you replace a fuel pressure regulator on a 2007 Audi A4 2.0 engine? Also I'm having a hard time finding the part at any repair store any suggestions?

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What problem are you having that you think you need to replace the fuel pressure regulator?
They are very reliable.

Posted on Jun 19, 2019

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  • 153 Answers

Your audi motor is 2.0 tdi,or 2.0 fsi,or 2.0 tfsi???

Posted on Jun 11, 2019

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The parts are available from any Audi service department. The service manual explains how to proceed.

Posted on Oct 04, 2018

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6ya6ya

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Posted on Jan 02, 2017

Anonymous

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SOURCE: 1998 Chevy tahoe Hard to start when cold

replace your MAP sensor(manifold absolute pressure) the map sensor is the computer for your fuel pressure regulator telling how much pressure. Unless your tahoe runs like **** going up hill than it inevitably your fuel pump

Posted on Feb 17, 2009

Anonymous

  • 92 Answers

SOURCE: fuel pressure regulator had no vacuum line connected

another engineers wet dream. think of it this way . what is normally in the intake when the engine is running.. answer vacume, hence the regulator gets its vacume without a hose connected to it as its already in a full time vacume chamber.no hose required . ps be carefull to seat the regulator and o rings securely into the housing befor you reattach the secureing metal clip.
good luck chris

Posted on Mar 23, 2009

Richard Scordino

  • 6982 Answers

SOURCE: fuel pressure regulator

Two places to look...if you have separate injectors for each cylinder then regulator should be at the front end of the fuel rail. If you have throttle body injection it is on the throttle body itself.

Posted on Jul 30, 2009

AskJack

Jack McCann

  • 117 Answers

SOURCE: 1991 cadillac deville 4.9 fuel trouble

You just need to go through a simple Idle Relearn Process.

The Idle Speed Control motor will cause the accelerator pedal to tap and the car will surge back and forth, actually acting like there is a lack of power during intial startup.


Whenever a battery is changed, went dead or the ECM computer is replaced.

In order to make the engine run normal again, you need to take the car through a relearn process. Otherwise the idle could be very slow or have a 30mph idle.

To enable it to relearn, here's what to do.

1) Disconnect the battery cable for 15 minutes, before hooking it back up.

2) (KOEO) Turn the Key On with Engine Off, just so the electronics are on, but without starting the engine and turn the climate control panel to off.

3) Push the off and warmer buttons on the climate control panel at the same time and hold for up to 5 seconds for the computer to go into diagnostics.

On the fuel panel screen it will display 888 then E52 and then 70.

When it gets to 7.0 shut off the key for 1 minute.

4) Repeat step 3, two more times.

5) Start the engine without pushing on the accelerator pedal and let it run for 18 minutes with the climate control panel off.

6) After 18 minutes put your foot on the brake and shift into drive and wait 1 minute.

7) Then turn on the a/c by pushing the auto button. It needs to be warmer than 60 degrees F so the compressor can engage. Wait 1 more minute.

8) Put the shifter back in park and turn the key off.

9) Wait 1 minute

10) Idle relearn is now complete and the engine should start and run correctly.


Posted on Sep 16, 2009

ZJLimited

ZJ Limited

  • 17970 Answers

SOURCE: where to find the fuel pressure regulator k1500 1997

Looking at your engine from the front of the vehicle you will see the fuel injector assembly at the rear of the intake manifold (behiold the throttle body). Looking past the injector assembly, a little to the right, down the block a little ways (towards the firewall) you will see the SS Monoblock from which the two lines feed fuel to the the injector assembly. On the line closest to the distributor you will find the Fuel Pressure Connection (it will have a black plastic cap on it).

You have to remove the upper half of the intake ( PLENUEM ) and you will see it on the back of the spider Assembley, It's round and has a nipple on it.

Hope this help (remember rated this) Good luck.

Posted on May 19, 2010

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Fuel pressure regulator may be going bad. It's supposed to hold pressure in the fuel rail while the engine is shut down. When cranking, the fuel pump has to build pressure again before the injectors will properly inject fuel. Try turning the key on (without cranking) for about five seconds, then back off. Do this two or three times, then try to start the engine. If it starts right away, you need a fuel pressure regulator. These can be located on the fuel rail, or in/on the fuel tank.

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no
you fix the reason why the injectors are not working
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I have replaced the maf sensor,the fuel pressure sensor and the fuel pump, not sure what else to do. The engine light stays on and after some warmup, difficult to start. Thanks for your time.


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Start with checking fuel pressure with a pressure gauge. Some stores rent or loan fuel pressure gauges. If fuel pressure is within specs for your engine, scan the computer for possible trouble codes.
Fuel pressure is critical (and high on multi port injection-about 50 psi) and dependent on a good pump, a clean filter, and a working fuel pressure regulator-if pressure is correct, you have eliminated at least that much as not being the problem.

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you may have max fuel pressure when the engine is not running because the pressure regulator( if its a vacuum regulator ) does not have vacuum until the engine is running (they increase fuel pressure as vacuum decreases) to answer the question the fuel pressure even at maximum will not keep the injectors from firing

Dec 10, 2012 | Cars & Trucks

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Got a 2003 S4 B6 that won't start during cold winter days especially when it's not used for 3 or more days. After 20 or more attempts and 5 or 6 minutes engine starts like magic. While turning the key, I...


veral but my first thought was a leaky injector or fuel pressure regulator.
here is some detailed info, here goes.......
During engine operation, the fuel system is maintaining the required fuel pressure to meet the demand of the engine. When the engine is shut off , the fuel system should be at or near the same pressure level. The rate at which the fuel pressure drops can be an indication of an internal system leak (assuming no external leaking occurs) you don't have this as it would take only hrs to have a start problem.
Two most common areas of concern are the fuel injector nozzles and the pressure regulator. If the regulator valve has a poor seal, fuel will leak past the valve seat area and, since the pump is no longer running, pressure will quickly drop off or sometimes slowly. The causes for this could be a worn valve, weak spring or defective diaphragm. An internally leaking regulator can cause long crank times as it takes the pump longer to build pressure in the system.
The other potential problem area could be the fuel injector nozzles. The nozzle may be leaking due to a deposit build up on the nozzle or a worn out internal valve seat. In this case, fuel leaks directly into the engine's cylinder. Depending on the number of injectors on the engine, this could be a real problem if more than one injector is leaking fuel into the cylinders. This is a common cause of long crank times and hard starts after a short engine shut down.
One leaking and takes days to leak down.
Personally I'd start with replacing the fuel pressure regulator. Finding a leaky injector..try this. turn the key to the on position wait 5 minutes look at the injectors see if there is one that looks wet or has deposits around it.
You can also do a sniff test (not while running!) sometimes you can get a smell of gas from the leaking injector. (if the wind isn't blowing) Actually try this first before replacing fuel pressure regulator. If it starts up quicker after the 5 minute key on one of the above is the answer.
hope i didn't confuse you.
Best of luck.
Stay warm tis -5f here.

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