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oilonly oilonly is offline
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Join Date: May 2008
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Originally Posted by Bgravolet View Post
Officially confused...

Fuel pumps worked and ran continuously when pushing down the metering plate,then they didn't. The relays for the fuel pumps sometimes work and sometimes don't. The car has spark and then it doesn't. The fuel pumps can be working when the car has no spark. The fuel pumps can be working when the car has spark and still it won't start.

Is this electrical?

So far replaced premature box, fuel pump relays, coil and yellow relay.

On those new relays you bought open up the prongs a little with a fine blade to make sure you are getting good contact. I noticed some of these new relays have prongs that are narrower than the old original ones. Plus make sure that fuse is positioned properly. I never liked the single fuse and switched to two fuses and feel the car runs better. Here is the thread on how to do it.

930 Fuel Pump Fuse Overload - The Solution

Plus some stuff to read and maybe help you.

Intermittent fuel/starting problems

Trouble cold starting
'87, Modified WUR, Billet valve, 965 downpipe, Kokeln intercooler, GHL headers, Garrett T04B K27 hybrid, Tial w/.8 bar, WEGO IV, RarlyL8 dual out, LSD
Old 05-04-2014, 06:43 PM
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