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Volkswagen Vanagon: 1980-1991 (T3) Revs issue ?electrical


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Last Post: Feb 23, 2014 7:45 AM Last Post By: chip53
chip53

Posts: 10
Registered: 11/02/12
Revs issue ?electrical
Posted: May 23, 2013 6:47 AM
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Hi ... I hope you can help I'm having issues with my vanagon 84 1.9 GW digijet which everytime i allow the car to decrease in revs naturally past 1500 rpm it acts like it wants to stall 'kangarooing' until it passes 1500 rpm. I wonder if its an electrical problem especially when the rev counter bounces up and down, but with this the car also jolts. This only happens when the car is still in gear. The car acts normal below 1500 until its natural stalling limit.

Extra info, the 'Cat' has been removed years ago, the problem is recent.

Cheers everyone!
FKH161

Posts: 7,626
Registered: 12/29/05
Re: Revs issue ?electrical
Posted: May 23, 2013 7:47 PM   in response to: chip53 in response to: chip53
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Adjust your closed throttle switch... i think what you are experiencing is "fuel shutoff".

With minimal throttle application (crawling in traffic), if the switch is still closed, the engine will buck.
chip53

Posts: 10
Registered: 11/02/12
Re: Revs issue ?electrical
Posted: May 29, 2013 11:26 AM   in response to: chip53 in response to: chip53
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Thanks FKH ... once it gets past 1500rpm it acts fine ... of course until the point that it should stall when in gear and clutch not depressed. The needle on the rev counter bounces up and down like its got an electrical problem at 1500rpm?
FKH161

Posts: 7,626
Registered: 12/29/05
Re: Revs issue ?electrical
Posted: Jun 1, 2013 1:04 AM   in response to: chip53 in response to: chip53
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Maybe you can post a video of what is happening, so I can see what is happening at your end?
Giff

Posts: 4
Registered: 06/04/13
Re: Revs issue ?electrical
Posted: Jun 5, 2013 11:36 AM   in response to: FKH161 in response to: FKH161
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I don't think you have points in your vehicle
But if you do that's where I would start
Could be distributor related
chip53

Posts: 10
Registered: 11/02/12
Re: Revs issue ?electrical
Posted: Feb 23, 2014 7:45 AM   in response to: Giff in response to: Giff
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sorry for the long wait to reply, still struggling with issue but have found a broken connection in the connector to the hall effect which has some foil to bridge the connection, could this be the cause ... struggling to find the correct replacement

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