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Registered
Join Date: Apr 2008
Location: TX
Posts: 95
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930 Fuel pump relay trouble
Im sorting out the injection system on my '81 930 and after assembling it back together now I have some problems.
Im getting current to the fuel pump relays but the relays are not sending the current to the pump, the WUR and the Auxiliary air regulator. I have experience with the Ferrari 308 k jetronic injection and those cars have a starter realy with a protection fuse, do the 930's have that? |
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02-08-2012, 02:45 PM
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Registered
Join Date: Jul 2008
Location: Central Washington State
Posts: 4,402
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Might just be an issue with either your overboost sensor being unplugged (single wire), or an issue with your overboost relay (yellow rectangular on later cars, yours might be a standard round, in the engine compartment relay tray). Either of those will stop your pumps from running (the relays from actuating) even though power is getting through the single fuse to the relays.
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Mark H. 1987 930, GP White, Wevo shifter, Borla exhaust, B&B intercooler, stock 3LDZ. |
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02-08-2012, 03:28 PM
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Registered
Join Date: Jul 2006
Location: S. Florida
Posts: 7,249
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...and thats just the beginning
more relays and an alarm system are in the fuel pump relay chain and spread out in hard to get at places around the car. |
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02-08-2012, 03:37 PM
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Registered
Join Date: Jan 2009
Location: Houston, Texas
Posts: 323
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I recently had a similar issue, turns out the yellow relay got unplugged during another project. All is well now, but I gotta find a spare realay.
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Doug Houston, Texas 997 TT 550RUF '86 930 |
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02-08-2012, 04:12 PM
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Registered
Join Date: Apr 2008
Location: TX
Posts: 95
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Thanks for your input, where can I get a new overboost relay?
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02-08-2012, 08:59 PM
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