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Connor DeGeer
Samba Member
Joined: January 24, 2025
Posts: 14
Location: Tennessee, USA
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 Posted: Thu Jul 10, 2025 7:39 pm Post subject: 1972 Superbeetle hot start and dying issue |
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Got a 1972 superbeetle which is an ongoing project. 2 issues
First being, it struggles to hot start; fires right up when cold but anytime its hot i worry if its not going to start. I have to hold peddle to metal for probably 5-10 seconds anytime i need to start it when hot. Then it runs super rich for a couple minutes until the (which i assume) flooded engine is cleared out.
The choke is set properly and I think i have the air and fuel screws set good aswell.
Second issue is a new issue. (hot start problem been here for awhile)
While driving it, it seems to run and idle great but anytime im running high rpm for long(ish) amounts of time, when i come to a stop it dies. Example is, running 3k-3500 rpm for 10 minutes with no issues but then coming to a stop sign and when Im stopped with the clutch all the way in it dies; but if i catch it before it dies and give it some gas it'll be just fine.
I tried cleaning out the idle jet but it didnt help at all.
Thanks for any help that you can give! |
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Cusser
Samba Member
Joined: October 02, 2006
Posts: 33019
Location: Hot Arizona
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| Posted: Thu Jul 10, 2025 7:51 pm Post subject: Re: 1972 Superbeetle hot start and dying issue |
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| Connor DeGeer wrote: |
| I have to hold peddle to metal |
Wait until I figure out what "peddle" means !
_________________
1970 VW (owned since 1972) and 1971 VW Convertible (owned since 1976), second owner of each. The '71 now has the 1835 engine, swapped from the '70. Second owner of each. 1988 Mazda B2200 truck, 1998 Frontier, 2014 Yukon, 2004 Frontier King Cab. All manual transmission except for the Yukon. http://www.thesamba.com/vw/forum/album_page.php?pic_id=335294 http://www.thesamba.com/vw/forum/album_page.php?pic_id=335297 |
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bsairhead
Samba Member
Joined: October 08, 2008
Posts: 4463
Location: viroqua wi.
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| Posted: Thu Jul 10, 2025 8:14 pm Post subject: Re: 1972 Superbeetle hot start and dying issue |
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| Connor DeGeer wrote: |
Got a 1972 superbeetle which is an ongoing project. 2 issues
First being, it struggles to hot start; fires right up when cold but anytime its hot i worry if its not going to start. I have to hold peddle to metal for probably 5-10 seconds anytime i need to start it when hot. Then it runs super rich for a couple minutes until the (which i assume) flooded engine is cleared out.
The choke is set properly and I think i have the air and fuel screws set good aswell.
Second issue is a new issue. (hot start problem been here for awhile)
While driving it, it seems to run and idle great but anytime im running high rpm for long(ish) amounts of time, when i come to a stop it dies. Example is, running 3k-3500 rpm for 10 minutes with no issues but then coming to a stop sign and when Im stopped with the clutch all the way in it dies; but if i catch it before it dies and give it some gas it'll be just fine.
I tried cleaning out the idle jet but it didnt help at all.
Thanks for any help that you can give! |
Hot engine lean syndrome. Electro mechanical fuel shut off valve tightness, intake boot looseness. Cracks in distributor hoses. Check that stuff and report back. |
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