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Registered
Join Date: Apr 2005
Posts: 76
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Injectors stick !!! Help
I bought 3.2 engine not being used for a couple of years. It turned out 3 from 6 injectors do not work. Is there a way to make them work again ? I'd rather not buy new
 Marcin
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1976 3.0 Carrera sold  1975 2.7 backdated to 73' RS 1971 2.2 T Targa |
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10-29-2007, 07:10 AM
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Registered
Join Date: Jul 2002
Location: Southern California
Posts: 5,067
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Do a search here on the Board. There are companies that will clean and calibrate your injectors.
Otherwise, try running a couple of bottles of Techron thru the system and see if it cleans up the injectors.
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1984 Targa |
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10-29-2007, 07:11 AM
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Yes it runs
Join Date: Sep 2007
Location: Minneapolis, MN
Posts: 175
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a lot of folks like Witchhunter
http://www.witchhunter.com/
People seam to have good luck with these guys. Todd, Minneapolis, MN 1987 Targa |
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10-29-2007, 07:45 AM
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Registered
Join Date: Jul 2001
Location: Portland Oregon
Posts: 7,007
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We use RC Engineering and they are very good.
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Steve Weiner Rennsport Systems Portland Oregon (503) 244-0990 porsche@rennsportsystems.com www.rennsportsystems.com |
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10-29-2007, 08:45 AM
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Registered
Join Date: Jul 2006
Location: Rescue, CA
Posts: 549
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I think I read somewhere: The 3.2's batch fire 1/2 of the injectors at a time. Could it be that your not getting a signal on one bank? Might check for injector signal, or, try switching one of the known working injectors with one of the suspect injectors.
Hope this helps,
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Doug  84 Carrera Coupe - Black (the Goth look)  The more I learn, the more I realize I don't know
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10-29-2007, 09:26 AM
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Registered
Join Date: Dec 1999
Location: Novato, CA
Posts: 4,740
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I've had good success freeing sticking old injectors with carburator cleaner and 12V jolts.
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10-29-2007, 10:31 AM
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Registered
Join Date: Apr 2005
Posts: 76
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Thanks! I checked the signal and it's fine. I put injectors into pot full of STP's injectors cleaner. I leave them there for next 48hrs. We will see what happens.
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1976 3.0 Carrera sold 1975 2.7 backdated to 73' RS 1971 2.2 T Targa |
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10-30-2007, 01:26 AM
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Registered
Join Date: Jul 2001
Location: Tuscaloosa Al
Posts: 1,175
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I just had the same problem, we cleaned, tapped them and did the 12V jolts. Have been running alot of injector cleaner through the system, they seem to be working.
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John Brasfield 91 C2 78 SC For sale 76 3.6 68 Datsun 2000 Mr. Magoo, 02 330ci |
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10-30-2007, 04:09 AM
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