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Nickel_Nackel
Samba Member
Joined: February 07, 2018
Posts: 187
Location: Bellingahm WA
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 Posted: Wed Apr 14, 2021 4:40 pm Post subject: Digital Idle Stabilizer |
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Okay so I think I have figured out why my van has been cranking/ no start as well as dying randomly.
I thought I properly tested my digital idle stabilizer and I could check it off the list but I have come to the conclusion that I am an idiot.
When I pull the plugs from both sides of the DIS and connect them together my van starts up no problem. I have tested this 5 times now and I think I just need a new idle stabilizer.
the problem is I can not find one ANYWHERE. Bus Depot has one but after waiting a week I got an email saying its back ordered till summer. I wouldn't mind but my van is kind of my daily driver.
I found another one on the Samba classifieds but its under the rabbit and I though I read that these are compatible with the Vanagon. They have the same connecters. I am wondering if anyone can give me info in this and are they compatible? mine was green and this one on the samba is blue. the one I tried to buy from Bus Depot was white. I don't know if color has anything to do with it.
Thank you
here is the link. https://www.thesamba.com/vw/classifieds/detail.php?id=2250768
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1985 1.9L Potato |
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MarkWard
Samba Member
Joined: February 09, 2005
Posts: 17104
Location: Retired South Florida
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| Posted: Thu Apr 15, 2021 4:41 am Post subject: Re: Digital Idle Stabilizer |
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Do you really need it? All it does is attempt to adjust idle by modifying timing. This was for emissions. If the van has a working auxiliary air regulator, you’ll likely never notice its bypassed.
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dobryan
Samba Member
Joined: March 24, 2006
Posts: 16496
Location: Brookeville, MD
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Wildthings
Samba Member
Joined: March 13, 2005
Posts: 50332
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| Posted: Thu Apr 15, 2021 8:44 am Post subject: Re: Digital Idle Stabilizer |
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| I have been running without a DIS for a decade at this point in time without issue |
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Nickel_Nackel
Samba Member
Joined: February 07, 2018
Posts: 187
Location: Bellingahm WA
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| Posted: Thu Apr 15, 2021 9:12 am Post subject: Re: Digital Idle Stabilizer |
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okay i guess I can run it without but it doesn't hold an idle as stable as it did when it was in (when it was working)
the idle fluctuates quite a bit, I guess as long as its not dying its fine right?
with it bypassed and the van not holding idle perfectly does that mean there could be another issue? vacuumed leak or something?
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1985 1.9L Potato |
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MarkWard
Samba Member
Joined: February 09, 2005
Posts: 17104
Location: Retired South Florida
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| Posted: Thu Apr 15, 2021 9:27 am Post subject: Re: Digital Idle Stabilizer |
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Are your idle valves connected? Power steering only has one valve. Vans with AC had 2 valves. Are you throttle plate switches working? Early digijet had 2 throttle switches. I believe the last of the digijets might have had a single switch like the digifant.
Why is the rpm changing? Vacuum retard and advance working properly?
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