Fuel pressure issues

SJ syljay at optonline.net
Fri Jan 7 01:09:24 EST 2005


> From: jesper moreau <jesper5ktqm.audi at gmail.com>
> Subject: Fuel pressure issues
>
keys to
> "on", verified a perfect 12V at the battery,

***** Be careful with the voltage readings. Check with a digital meter to be
accurate.
A battery that reads a perfect 12.0 volts is essentially dead.
As you can see by the chart, small voltage differences mean big changes in
charge.
If you dont have a good digital meter, a good battery hydrometer is the best
way to check the battery.

Also, you want to measure the voltage at the pump when its working.

percentage of charge 12 volt battery
%charge Volts
100  12.70
95  12.64
90  12.58
85  12.52
80  12.46
75  12.40
70  12.36
65  12.32
60  12.28
55  12.24
50  12.20
40  12.12
30  12.04
20  11.98
10  11.94

SJ
85 Dodge PU, D-250, 318, auto
85 Audi 4k - - sold but still on the road
88 Audi 5kq
90 Audi 100q




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