Re: Fuel Pump? - Saab 9000 Bulletin Board - Saabnet.com
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Have a helper crank over the car while you use your fist or a rubber mallet to tap on the tank.
If the pump is bad this shook up will usually bring it back to life temporarily but you still need to replace it since the pump will stop again shortly.
Nowadays I use a lab scope and milli amp clamp around the feed wire to fuel pump and study the amp curve.
This way I can see a bad pump before it actually fails.
If a couple of the plates on the pump commutator are burned, the amp curve makes a drastic dip toward zero.
Anders
posted by 63.196.56...
SWEDECAR
Posts in this Thread:
- Fuel Pump?, daniel, Mon, 29 Mar 2004 19:34:53
- Re: Fuel Pump?, SWEDECAR
, Wed, 31 Mar 2004 09:15:06 <-- Viewing This Message - Wish we could dispel the myth of CPS on '95 +., EricG, Tue, 30 Mar 2004 18:29:58
- Re: Fuel Pump - Check with a 5W bulb or similar >>>, SuoTimo, Tue, 30 Mar 2004 03:22:17
- Similar symptoms, Montana Tom
, Mon, 29 Mar 2004 20:02:23
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