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Registered User
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Anyone in Valley Forge area?
I was hoping I could get some help from someone in the area. I have an 84 928 with manual trans. Anyone willing to swap out their ECU so I could check and make sure my ECU is the problem as to why my car won't start? Thanks.
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07-23-2012, 07:51 AM
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Network Native
Join Date: Jan 2007
Location: SoCal
Posts: 10,349
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ECU fail is very rare on early cars. I wish I had some time to look over 84 wiring diagram, but not in the cards for a week or two.
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07-23-2012, 01:55 PM
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Registered User
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Any help you could give me, Danglerb, would be great. Thanks for the reply.
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07-24-2012, 06:33 PM
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928: Serial Enabler
Join Date: Sep 2007
Location: Elkhart, Indiana
Posts: 2,929
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84 no start is sometimes a failed temp 2 sensor.
Can also be bad relay (fuel pump, ACM and/or injection relay). Jumpering them in the proper way, carefully, can often prove it. Dirty grounds are also a killer. The key grounds for the 84 are located on the passenger side cam cover. They can be overlooked, especially the rear-most ground point, because it is fully buried under the emissions valve -- which must be removed for access with dremel wire brush. See 928 Specialists site for fuse / relay identification for 84 car. Separately, be certain the 84 fuel hose segments are replaced. If not done already, they are crispy and dangerous.
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84,85,86 928 cars Last edited by Landseer; 07-25-2012 at 07:41 PM.. |
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07-25-2012, 07:39 PM
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