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Registered
Join Date: Apr 2004
Location: Salida, Ca
Posts: 59
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testing for faulty injector
Im still trying to find the cause of my miss and hesitation. I've changed all ignition hardware wires included. To see if I have a bad injector, I purchased a laser thermometer and tested the heat coming off each header pipe. I found the # 1 to read about 100 degs higher than the others. The fluctuation is greater too. Could this be the bad injector? Has anyone else perform this test with successs? Thanks!
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79 Euro 930 |
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12-13-2007, 02:34 PM
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Me like track days
Join Date: Sep 2003
Location: Kirkland, WA
Posts: 10,209
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Why screw around? Send them to:
www.witchhunter.com
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- Craig 3.4L, SC heads, 964 cams, B&B headers, K27 HF ZC turbo, Ruf IC. WUR & RPM switch, IA fuel head, Zork, G50/50 5 speed. 438 RWHP / 413 RWTQ - "930 is the wild slut you sleep with who tries to kill you every time you "get it on" - Quote by Gabe Movie: 930 on the dyno |
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12-13-2007, 02:35 PM
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Wo ist die Rennstrecke?
Join Date: Mar 2004
Location: St Johns, FL
Posts: 1,210
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I tested mine exactly how you are describing. I sent all 6 to Marren Fuel Injection to trade them for 6 matched injectors. The temps between the cylinders closed up to 25 degrees difference at idle.
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12-13-2007, 02:53 PM
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930s rule the wasteland
Join Date: Dec 2006
Location: Spotsylvania ,Virginia
Posts: 1,219
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how much for exchanged injectors?
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1980 930 Turbo 1993 Corrado 1983 944 1984 944 2001 VW golf TDI |
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12-13-2007, 05:02 PM
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Registered
Join Date: Sep 2006
Location: scotland
Posts: 248
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Owned 2 3.3 turbos and both had shot injectors,,new set costs around £200-£250 gbp here in the uk,,which is around $400-$500 dollars,,personally with my experiences i would go ahead in replace them if you have the spare cash ,,then you know you have all brand new parts in there..if not defo remove them and check/clean!
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12-14-2007, 05:40 AM
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Registered
Join Date: Apr 2004
Location: Salida, Ca
Posts: 59
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I agree Stup! Thats what I will do. I changed 2 and no change. I guess I may have more than one thats bad.
This has been frustrating. I was hoping to find the one but to no avail.
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79 Euro 930 Last edited by MW4904; 12-14-2007 at 04:51 PM.. |
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12-14-2007, 03:31 PM
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