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Registered
Join Date: Jun 2017
Location: Lancaster Pa.
Posts: 58
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Idle Surdging
My friend has a 83 3.0 Targa with a fresh rebuild by Tony Miller. Tony bought out Gary Wiggellsworth, Translog in York Pa. He has 1000 miles on it and when it warms up, the idle surdges from 600rpm's to 1200rpm's. When he drives it, it runs fine when he's on the throttle. Any thoughts?
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09-30-2022, 06:59 PM
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Join Date: Mar 2001
Location: Marysville Wa.
Posts: 22,485
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Probably way too rich on the idle mixture adjustment.
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https://www.instagram.com/johnwalker8704 8009 103rd pl ne Marysville Wa 98270 206 637 4071 |
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09-30-2022, 07:30 PM
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as John said..also do not forget the engine need 1000 miles check up after the rebuild....looks like it is due...
Ivan
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1985 911 with original 502 191 miles...808 198 km "The difference between genius and stupidity is that, genius has its limits". Albert Einstein. |
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09-30-2022, 11:59 PM
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Join Date: Jun 2017
Location: Lancaster Pa.
Posts: 58
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It's FI. What do you adjust? He's not a mechanic and I have 2 911's that have Webers. I don't know anything about FI cars. Thanks!!
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10-01-2022, 05:19 AM
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Join Date: Mar 2001
Location: Marysville Wa.
Posts: 22,485
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Maybe so a search for CIS mixture adjustment, right here on this forum. 3mm LONG allen wrench down a little hole between the fuel distributor and intake boot. Hard to see, sometimes you have to drag the allen wrench in the gap to find the hole. Engage the adjuster and turn a very small amount counter-clockwise when it's running until it smooths out. Ballpark backyard fix.
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https://www.instagram.com/johnwalker8704 8009 103rd pl ne Marysville Wa 98270 206 637 4071 |
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10-01-2022, 06:31 AM
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Clarification........
Quote:
Could you be more specific what kind of fuel injection system do you on the motor? Is it a CIS or something else? Thanks. Tony |
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10-01-2022, 07:29 AM
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Join Date: Jun 2017
Location: Lancaster Pa.
Posts: 58
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Stock, I'm guessing CIS.
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10-01-2022, 09:06 AM
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