Question about 1999 Honda Prelude

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Where is the Egr Valve on the 1999 Honda Prelude--could I change

Could I change it myself?

Where to but the part?

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Its in the engine intake and is a peice of **** to change..handy little job

Posted on Dec 06, 2008


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After reffitting fuel tank & fuel lines, how do i bleed fuel system on Honda Prelude 5th generation 1999 model. Thankyou for your help.

-Here some basic.
-Turn the key to on and off couple time. (Do not start).
That all.

Good luck


Nov 23, 2016 | 1999 Honda Prelude

2 Answers

I need to replace the EGR Valve according to the report from the check engine report but I cannot find it to ge the correct part number. Where would this be on the engine?

EGR valves themselves rarely fail. Many are vacuum operated, and with a honda, it is a mess of vacuum wires underhood. I would have the car checked for vacuum leaks, and what actually controls the vacuum to the EGR valve first. Don't replace unless your certain it is the valve. Might be a cheap fix. ; )

Jan 20, 2011 | 1999 Honda Prelude

1 Answer

Where is the EGR valve location on a honda accord ex 1999.

Here is a picture of where the EGR Valve is located. Replacing it is fairly simple and straightforward. A vacuum line and a couple of bolts. You'll see what you have to do when you look at it.

If you are replacing the EGR Valve due to the Check Engine Light (MIL) being on with a DTC P0401 then I suggest contacting your Honda Dealer. There was a Product Update Campaign (PUD) in the fall of 1999 that corrected the problem.


Thanks. keep updated for any more can rate this solution and show your appreciation.

Sep 21, 2010 | Honda Accord Cars & Trucks

1 Answer

Want to clean egr valve myself. has anyone done

Thats simple, Just remove it, Get an old tooth brush and some carb cleaner, spray inside egr, and port where it was bolted, Not to excessive though, then take tooth brush to knock debris loose, Then spray again to insure clean.

Jun 09, 2010 | 1995 Honda Accord

1 Answer

1989 honda prelude. engine surges. from normal to 2100 rpms

There is a warm up valve on the throttle body(should have 2 small coolant hoses). remove the valve and have someone start the car while you block the port to the valve on the intake. If that clears up the problem you can cut a piece of cardboard to mount in between the valve and intake.should straighten it out.

Oct 01, 2009 | 1989 Honda Prelude

1 Answer

EGR Valve Cleaning on a 1999 4.3 Silverado

If it is not just badly clogged, the intake does not need to be cleaned out. If you want to clean it out then take some brake cleaner and spray it in there and wipe it with a rag. I have never seen someone have to clean the intake due to not being clogged. Just my expierence I would just change the EGR and go from there

May 21, 2009 | 1999 Chevrolet Silverado 1500

1 Answer

EGR valve

There is an Emission diagram on the hood or someware in the engine compartment look to see if you see one there. It will say EGR and have a vacuum hose going to it.Joe ASE Master tech

Mar 04, 2009 | 1999 Honda Civic

1 Answer

Computer error code reads egr valve??

Find the egr and clean it's insides with carb cleaner wherever possible.

Sep 16, 2008 | 1994 Honda Prelude

2 Answers

1982 Honda Prelude wont stay running and keeps dying when i stop what could cause that?

try the control for the egr valve and check the egr valve if open
car will not idle from a 85 civic owner that did just a egr replacement and it was fixed ( ebay new egr valve was only 22.00)
parts store 69.00

Aug 20, 2008 | 1985 Honda Civic

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