kronoSX
Honorary Master
I have a 1996 Opel Kadett 160is. The problem i'm having is a voltage drop at the petrol float. The petrol level reading that I get fluctuates so I decided to investigate. I put a multi-meter on the power plug to the float. When the ignition is on it reads 10v, but as soon as I start the car it drops to 8v, hence the drop in the petrol reading when I start the car. To get a proper reading I have to check the petrol level when the ignition is on. Any clues as to why there is a drop in voltage and the possible source of it?
there can be so many answers to this question.
lets start with one.WHen a car starts lots of current is required for the starter,So its normal for the voltage to drop on the battery for a second.remember current and voltage are 2 separate things,but we will not get into that.
Sounds like a sensor must be replaced.I dont know opels that well but unplug the gauge on the dash and then do your test.See what the reading is then.