found egr valve and soleniod where n what is the modulator
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Ask Your Question1991 Toyota Corolla
Question: check engine light is on dealer said egr modulator needs to be change where isit
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Answer #1
Tomiko February 10, 2013, 17:26Reply
Journeymanit is before the egr...just follow the vacuum lines
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Answer #2
robertgrove from WeGo2U Mobile Mechanic, February 10, 2013, 19:49ReplyEnthusiastThe EGR Modulator works along with EGR Valve and Vacuum Solenoid to control the amount of EGR flow into the engine. EGR flow cools the combustion temp and reduce NOX emissions. Vacuum lines from the EGR and vacuum solenoid go to the modulator.
The picture in my facebook post: http://www.facebook.com/photo.php?fbid=472075606173934&am... shows the modulator, EGR valve and vacuum solenoid, this should help you find it on your car
Enjoy!
Robert Grove, ASE World Class Technician, 1996 Automotive Hall of Fame
http://wego2umobilemechanic.com/
http://orangecountymobileautorepair.com/mobile-mechanic-a...Flag ThisLike0 -
Answer #3
globalhelper February 11, 2013, 06:33ReplyMasteragree with robert
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