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Where is the fuel pressure regulator located in the 1993 chevrolet caprice engine

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The fuel pressure regulator is located on the fuel rail which is generally attached to the intake manifold. I have attached a typical diagram for you to take a look at.

Posted on Nov 19, 2013


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Need to find where the fuel pressure regulator is on my car

Most fuel pressure regulators are attached to the fuel rail which is generally attached to the intake manifold. To see a picture of the fuel rail and the fuel pressure regulator attached to the top view the link. Yours may be in a slightly different location on the rail.

Nov 19, 2013 | 1993 Chevrolet Caprice

1 Answer

How do you change the fuel injector filtor on a 1993 chevy caprice?

First, there is not enough vehicle information posted here to help you with your problem. When you are asking for information on how to repair an engine or an engine accessory, it is prudent to mention which engine your vehicle is equipped with.

Second, I have been in the automotive repair business for 37 years. I have worked on MANY Chevrolet Caprices. I have never heard of a filter on a fuel injector.

Apr 24, 2012 | 1993 Chevrolet Caprice

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Fuse box layout 1993 chevy caprice (I need to know which fuse is for fuel pump)

There is fuel pump relay located under hood on the passengerside fenderwell! The should be 2 Cube like boxes on a bracket, I believe the right side 1 is the fuel pump relay!

Dec 18, 2011 | 1993 Chevrolet Caprice

1 Answer

1993 chevy caprice classic wagon 5.0 8 cylinder hads a problem with engine shutting off with in seconds after start ! i did check for vapor lock in gas line, had new spark plugs replace, new fule...

Think the oil pressure switch keeps the fuel pump running once started. Suggest replacing Oil pressure switch. And no it won't effect oil pressure reading when it goes bad. The switch is a safety device. When you roll it over and the oil pressure drops the switch cuts off the fuel pump. Neat huh? Need some good feedback Thanks!

Jul 21, 2011 | 1993 Chevrolet Caprice

1 Answer

My 1993 caprice is getting to much gas to the engine whats the problem help please!!!!!

Probably a bad fuel pressure regulator. This is really dependent on whether or not the car is carbureted or fuel injected.

Dec 17, 2010 | 1993 Chevrolet Caprice

1 Answer

I have a 1992 chevy caprice.when car sits overnight i go to start it and it cranks over probably 7or 8 times then starts and runs good.i had a 1977 chevy with a carburator and it fired up in about 1.5 to 2...

No this is not normal at all and you have a problem. FI engines should start immediately and run great without any hesitation. It can be a partially clogged fuel filter. Replace the fuel filter ASAP. It can also be a weak fuel pump or defective fuel pressure regulator especially on a 18 year old car. Fuel pump is located on top and inside the fuel tank. The tank must be removed to replace the fuel pump. After replacing the fuel filter and fuel pressure test will tell you if the pump is going bad.

Jul 19, 2010 | 1992 Chevrolet Caprice

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Where is the fuel pressure regulator located on 2.5l engine


May 21, 2010 | 1994 BMW 3 Series

1 Answer

My 1993 Chevy Caprice keeps cutting off when I first start it up, It has done that for the last 4 times straight.Once it is running there is no problem though.

Check for vacuum leaks, Idle air control failure, and/or fuel pressure regulator leaking fuel into the vacuum line.

Jan 16, 2010 | 1993 Chevrolet Caprice

2 Answers

Truck runs real bad and terrible fuel milage with a 4.3 litre engine

Good chance that the fuel pressure regulator is leaking gas and needs to be replaced. The fuel pressure regulator is located at the base of the throttle body and when it's starts to leak when the engine is running, it starts to flood the engine causing it to run bad and rich in fuel. The other common thing that would cause this is a faulty EGR valve, due to carbon build up and will need to be cleaned or replaced.
Do a fuel drop down test, test pressure line with gauge attached...leave for a bit...does fuel pressure stay close to where it was or drop off fast... if it drops off test the fuel pressure regulator by pinching off the vacum line...while running...pressure should increase...if it doesn't then replace pressure regulator.
Good luck and keep me posted.

Jan 15, 2010 | 1993 Chevrolet K1500

4 Answers

Cutting off while driving

Try checking fuel pressure again with a guage on the fuel rail. If you still notice the pressure is low and you know the fuel pump is good, the fuel pressure regulator may be bad. Sometimes you can tell by unplugging the vacuum hose from it and if you see gas that means the diaphram is leaking. If everything checks out with the fuel system a bad EGR valve or EGR valve solenoid can cause cars to sort of stall under half throttle. Good luck and keep me posted. If you found this helpful please rate this solution.

Thanks - Tech101

Jun 24, 2008 | 1995 Chevrolet Caprice Classic

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