Question about 1997 Buick LeSabre

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Where is the egr valve on a 1997 buick lasabre located

Posted by dana dobransky on


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Chuck Smith

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Dana when trying to find help on here Please always remember to list the engine your vehicle has. While they are all pretty much similar they are different. On Most GM vehicles they are located on the passengers side towards the Firewall (back of the engine) to the left of the throttle body. The older ones just have a vacuum line going to it while newer ones have a vacuum line and an electrical plug. Two bolts or nuts hold them on and be sure you get & install the new heat resistant gasket.

Posted on Mar 14, 2020


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SOURCE: OBD II code P1443

This code is usually caused by a loose gas cap or leaking gas cap cent diaphragm, the purge valve is under the car near the fuel tank

Posted on Nov 10, 2008



  • 19 Answers

SOURCE: 1997 buick lasabre custom high idle, transmission, stalling

had same problem i would check the Idel Air Valve and also check all of your vaccum hose lines makeing sure there are no cracks or splits in rubber connectors if there is repair immediatelt because over time they start to dammage the internal parts fo the engine and if youve replace tps mass air etc. sounds like a vaccum hose problem

Posted on Feb 10, 2009


  • 29 Answers

SOURCE: Where is the egr valve in a buick le sabre

The EGR Valve on this 3.8 L engine should be in front of the throttle body on the drivers side of the engine just to the right of the front valve cover. If you locate where the intake tube/duct attaches to the throttle body and then move just a few inches toward the front of the car it should sit right in that spot. It will have two bolts attaching it to the intake/tube. Hope you find it!!

Posted on Jun 23, 2009


ZJ Limited

  • 17970 Answers

SOURCE: egr valve location on dodge ram 2005 4.7

The EGR, or exhaust gas recirculation valve, takes inert exhaust gasses drawn from the exhaust system and reintroduces them into the combustion chamber through the intake manifold. This process lowers the peak combustion temperature and helps combat the formation of Nitrous Oxide (NOx) in the exhaust.


  1. Separate the intake ducts from the air cleaner assembly by loosening the retaining clamps and pulling the ducts away from the housing.
  2. Disconnect the vacuum line from the air cleaner assembly.
  3. Remove the wing nut that secures the air cleaner housing lid to the base.
  4. Remove both the air cleaner hosing lid and base.
  5. Locate the EGR valve. Look at the front of intake manifold. The EGR valve will be bolted to the intake manifold just in front of the carburetor.
I hope help you with this. Good luck.

Posted on Sep 07, 2009


Matt Piltingsrud

  • 5 Answers

SOURCE: 1992 Buick LaSabre. Where is the EGR valve?

I also have a 92 Lesabre. I couldn't find the EGR valve either, so I asked the dealer where it is. They looked up the part and were surprised to discover the 92 Buick Lesabre did not come with an EGR valve. It's hard to believe, but you can verify it by calling the dealer and asking them to look up the part. It doesn't exist. Apparently, the 92 was the only year the Lesabre was manufactured with no EGR valve.

Posted on May 08, 2010

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1 Answer

What's the symptoms of a bad egr valve in a 1989 Buick lasabre

They are more known for mass air sensor problems , you could remove egr valve. To check if it is closing you shouldn't be able to blow through it, they idle rough exhaust gas reborn valve , so they run bad when stuck open

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My 1989 Buick lasabre had a bad idle and when I put it in drive it drives good until 30 mph but after that it Boggs out like it has no power

It could be a bad diaphragm in your EGR valve. They often used ported vacuum and if there is a leak it won't show up until you are at higher rpms. A quick check is to remove the vacuum line from the EGR and plug it. Retest and see if the issue resolves itself. If so, replace the EGR valve.

The biggest cause of engine bogging is low intake vacuum and a bad EGR valve can do it easily.

Aug 08, 2016 | Buick Cars & Trucks

1 Answer

What would be the first and most likely reason for my 1997 buick lesabre to be giving me a egr pintle position circuit malfunction?

This code indicates a problem with the EGR valve's pintle position. The EGR Valve's pintle could just be stuck in which case the problem could be fixed by cleaning the EGR valve.

If the EGR valve is electronically controlled or cleaning the valve does not fix the problem, you will most likely have to replace the EGR Valve.

Keep in mind that the EGR valve relies on inputs from other sensors to determine the pintle position. If one of these other sensors is not operating correctly, it could be giving you a false P1406 error code.

Dec 19, 2012 | 1997 Buick LeSabre

1 Answer

Why did my oil pressure gauge stop working on my 1997 buick lasabre


I think you have a bad oil pressure Sending unit which is located on your engine. Good luck

Jun 30, 2011 | 1997 Buick LeSabre

2 Answers

1992 Buick LaSabre. Where is the EGR valve?

The EGR valve may have a protective cover on it:

After removing the cover, the egr valve is beneath, you will need to remove retaining clips to remove the egr valve.


Sep 04, 2009 | 1992 Buick LeSabre

2 Answers

1997 buick lasabre custom high idle, transmission, stalling

Try cleaning your grounds under the hood: under Ignition Module bracket, rf fender behind battery and lf fender in front of windshield washer fluid bottle.
I had similar problem and this fixed it.....grounds are very important for computer.
I used a carbon conductive grease on the connections to keep them from oxidizing.
Hope this helps you out.

Jan 09, 2009 | 1997 Buick LeSabre

1 Answer

1997 buick lasabre custom

It sounds like you have a vacuum leak or intake gaskets leaking. Try this. Start the engine and let it reach the idle it want to go to. Get you a can of Brake Clean and spray it around the intake manifold (it on the top center of the engine, you may have to removed a plastic cover) If the engine idle changes up or down then the intake gaskets are leaking hence your vacuum leak. I hope this will help you.

Jan 04, 2009 | 1997 Buick LeSabre

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