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Registered User
Join Date: Jun 2015
Location: Kingsport, Tennessee
Posts: 12
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Fuel Pump/DME relay
Hello fellow a Porsche people,
Hoping for some advice this morning. I have an 85.1 944 which we autocross and may start chump racing next year. I have pretty much sorted out the car and it runs very well, however, I am popping DME relays very frequently. When I pull them, they are very hot. I wondering if you guys think that the fuel tank screen may be clogged. I don't seem to have a mixture issue and the engine runs cool. Anyone have some ideas? Thanks Todd Sent from my iPhone using Tapatalk |
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11-09-2015, 08:10 AM
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Registered
Join Date: Oct 2002
Location: Boulder, CO
Posts: 1,196
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Jumper the relay through an ammeter, a decent analog one that can handle at least 10a.
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1987 928S4 1992 968 cabrio 2009 957 Cayenne GTS |
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11-09-2015, 08:38 AM
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Registered
Join Date: Jun 2014
Location: Lake County, FL
Posts: 820
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You could check your fuel pressure also- I think jfrahm is right, the pump is probably overamping- verify that the fuse for the fuel pump isnt oversized.
Its also possible that the coil may have a poor ground- causing interminent de-tinting of the relay.
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PCA - Florida Citrus Region |
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11-09-2015, 09:30 AM
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Registered User
Join Date: Jun 2015
Location: Kingsport, Tennessee
Posts: 12
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Great help, guys. That definitely gives me an excellent starting point.
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11-09-2015, 12:07 PM
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