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Together with checking fuel pressure and volume, you can also check the status of brushes and commutator with a lab scope and milliamp clamp.
I use that to see if the pump is on its last leg.
With the lab scope you actually look at the amperage demand and how good the brushes contacts the commutator.
If I get a reading close to the left picture, the pump is done for and could fail at any time.
Anders
SWEDECAR
Posts in this Thread:
- Can you test a fuel pump?, Liam, Mon, 15 Oct 2007 03:50:42
- yes ..., bobc
, Mon, 15 Oct 2007 08:35:12 - Re: Can you test a fuel pump?, SWEDECAR
, Mon, 15 Oct 2007 08:28:52 <-- Viewing This Message - Test Data...., Herb Hirsch
, Mon, 15 Oct 2007 06:28:56 - Re: Can you test a fuel pump?, PaulB, Mon, 15 Oct 2007 05:17:42
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