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EGR Valve location

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Forgot to send picture of valve location.
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Wednesday, January 4th, 2017 AT 9:56 AM (Merged)
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
I agree with HMAC300. The EGR will not cause a misfire.
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Wednesday, January 4th, 2017 AT 9:56 AM (Merged)
Tiny
LITTLEE_DOMN8R
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Sorry to hijack the post but my 2000 blazer with the 4.3 is getting horrible mileage, between 8 & 10 mpg no matter if in town or on the highway. I changed the air filter, plugs and wires and little to no change. I don't know the history of it so no idea what had been done. I do know the 4wd doesn't work and it is missing the vaccum line that goes to the actuator, but haven't had time to dig farther on that yet. I have read the EGR valve can get plugged and hurt the mileage and that it can be cleaned rather than replaced. Is that true? Or am I better off just replacing it? What else could be causing my poor mileage? I hate sticking a lot of money into it but it's in great shape so may have to bite the bullet.
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Wednesday, February 8th, 2017 AT 12:35 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
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Hey LITTLEE_DOMN8R,

Is the engine running okay? If so the the EGR valve is okay. I would look more toward the injector regulator leaking internally which is inside the intake manifold.

Please let us know what you find so it will help others.

Best, Ken
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Monday, February 13th, 2017 AT 9:28 AM
Tiny
BBQ
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  • 1 POST
  • 1998 CHEVROLET S-10
Four cylinder two wheel drive automatic 155,000 miles.

Where is the EGR valve located on the 2.2 liter four cylinder Vortec engine?
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Wednesday, November 29th, 2017 AT 4:59 PM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
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Hello,

The EGR valve is located at the rear of the engine on the 4 cylinder and at the front of the engine for the 6 cylinder.

Here is a video on how to test the EGR valve check it out.

https://youtu.be/DqUCbbKdWf4

Here are the location diagrams (below).

Please let us know if you need anything else to get the problem fixed.

Cheers, Ken
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Wednesday, November 29th, 2017 AT 4:59 PM (Merged)

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