 EGR valve, EGR test? |
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 Jun 19, 2013 - 1:28 PM
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Enthusiast  Joined Jun 8, '13 From goldsboro, NC Currently Offline Reputation: 0 (0%)  |
Anybody know how to test if the EGR valve is properly working or the EGR valve modulator
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Jun 19, 2013 - 11:39 PM
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 Enthusiast Joined May 25, '13 From Charlotte, NC Currently Offline Reputation: 0 (0%) |
1989-95 ENGINE PERFORMANCE
Toyota EGR Function Testing All Models EGR VALVE 1) Disconnect vacuum hose to EGR valve. Using a hand-held vacuum pump, apply vacuum to EGR valve with engine at idle. Engine should run rough or stall. If engine does not run rough or stall, check EGR valve passages for blockage or faulty EGR valve. Clean passages as necessary. If passages are clear, replace EGR valve. 2) Install vacuum gauge to ported vacuum port to EGR. Raise engine RPM. Vacuum should be present. If vacuum is not present, clear vacuum port of blockage. |
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Jun 19, 2013 - 11:46 PM
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 Enthusiast Joined Nov 10, '11 From Rockville, MD Currently Offline Reputation: 2 (100%) |
Pull off the valve suck on the top and have someone look at the valve while you do it to see if the valve is still functional
Normally if it has any sort of blockage youll see it as soon as you pull it off This post has been edited by Julian_Navia: Jun 19, 2013 - 11:47 PM -------------------- Dude I almost had you
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Jun 21, 2013 - 1:52 AM
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Enthusiast Joined Jun 8, '13 From goldsboro, NC Currently Offline Reputation: 0 (0%) |
Thanks guys
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