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Author Topic: 2.2 dti engine vacuum solenoids  (Read 974 times)

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andymp

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2.2 dti engine vacuum solenoids
« on: 29 August 2013, 20:49:00 »
Hi. Having looked at the vacuum system today to get to the bottom of a misfire around 1500rpm, on a 2.2 Dti Y22DTH engine, I tested the solenoids for EGR, boost and swirl flaps. And when vacuum is applied to the vac terminal with a hand pump, it makes a vibrating buzzing noise and vacuum is lost. Does this mean a k*******d solenoid or do they all do this?
Thankyou in advance.
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andymp

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Re: 2.2 dti engine vacuum solenoids
« Reply #1 on: 03 September 2013, 23:27:23 »
Having tested with a mityvac, even when good, the solenoid does "flutter" a little through the vent with the filter at the bottom. I found one that only held 20" of vacuum. So I got another off a well known auction site.
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