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Old 7th September 2008, 00:35   #61
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Update: Even after the valve change, the F.E. has NOT improved :(
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Old 7th September 2008, 04:23   #62
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Hi Abhi ,

Did you replace both the valves or just one ? did you notice any change in the color or quantity of exhaust smoke after replacing it ?
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Old 7th September 2008, 15:05   #63
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Spookey, the garage checked both valves and changed one..

The brakes are back to normal.

There is no visible exhaust smoke anymore. I checked keeping the car in neutral and revving to 3500 rpm.
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Old 11th May 2009, 18:27   #64
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Quote:
Originally Posted by RedMM340 View Post
1. I am not 100% sure about the F.E. issue, since there may be some increase in combustion efficiency with EGR at certain rpms and loads. But you should get more power and less soot build up.

2. I would also like to know where #2 goes.

V1 & V2 should only see clean vacuum, so why did they get contaminated and clogged with soot in the first place? What is the point spending 16.5k if soot will again pour in. Is soot clogging your brake vacuum circuit? You should check out the entire vacuum circuit to see what is going on.
MM,

I've got the same problem in my Accent CRDI now. One of the solenoid valves have gone kaput. The service advisor has disconnected the solenoid which actuates the vaccum diaphragm fed by #2 hose. He did'nt give the exact technical term but apparently, this valve controls the jerky shut down of engine.

He told me to drive the vehicle around till the solenoid arrives.

Do you think it is safe to do so?

cheers
badri
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Old 11th December 2014, 13:38   #65
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Default Re: Accent Viva Crdi: Purge Control Solenoid Valves - Rs.16.5k! EDIT: Fixin it DIY style!

Guys! I had the same problem with my Viva CRdi. After a lot of research and help from this thread, I concluded its the Solenoid valve.

Symptom: Loss of power at RPMs below 2000 and thick black smoke.

Solution: Blocked V1 pipe as explained by REDMM340 and it comes back to normal. Waiting for the replacement Solenoid valve. Hope its safe to drive it this way.

Thanks a lot for the help guys!!
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