Ticking noise on my 1990 toyota pick up?

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Old 30 Mar 2014, 11:09 pm   #1 (permalink)
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Default Ticking noise on my 1990 toyota pick up?

What is this thing?? It makes a loud ticking sound and i know its from their because if i put my finger on it i can feel it. Can someone please help.
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Old 30 Mar 2014, 11:25 pm   #2 (permalink)
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might help if you said what thing
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Old 30 Mar 2014, 11:39 pm   #3 (permalink)
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ANTI=BACKFIRE VALVE OR EGR VALVE
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Old 30 Mar 2014, 11:54 pm   #4 (permalink)
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EGR valve, and a very pricy one at that. Put a vacuum gauge on the control tube to check for vac leaks.































(it could be a collapsed vacuum hose slowly bleeding vacuum to the EGR dash-pot while pinched)































www.partsgeek.com
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Old 31 Mar 2014, 12:10 am   #5 (permalink)
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Egr valve sorry was not sure of the name. So its bcz of a vacuum leak?
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