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Vaccum test result question

Kencollins · 2016-06-27 11:39:58

Hi all, I did a vacuum test on my petrol Trajet today to try and diagnose sluggish acceleration. (turned out to be a clogged fuel filter) I connected the gauge to the brake vacuum port on the inlet manifold. I didn't T it, just replaced the brake hose with the vacuum hose. The reading was a steady 25 ins Hg on the meter at…

27-06-2016 12:39pm

#1

Kencollins

Registered Users, Registered Users 2 Posts: 567 ✭✭✭

Join Date: January 2008

Posts: 471

Hi all,

I did a vacuum test on my petrol Trajet today to try and diagnose sluggish acceleration. (turned out to be a clogged fuel filter)

I connected the gauge to the brake vacuum port on the inlet manifold. I didn't T it, just replaced the brake hose with the vacuum hose.

The reading was a steady 25 ins Hg on the meter at idle. It didn't change when the RPM went to 2000, 3000, or when releasing the throttle at all.

Can this be considered a pass? I was under the impression that there should be some loss and recovery of vacuum after hared acceleration.

Thanks,

Ken

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Comments

#2 27-06-2016 12:54pm

Kencollins

Registered Users, Registered Users 2 Posts: 567 ✭✭✭

Join Date: January 2008

Posts: 471

Duh, three words....one way valve!

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