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zorced wrote:Hey guys, I have a good one for you.
2 days ago when I was about to leave work I noticed the fuel was reading much lower than I remember. Then when I started the car it continued to drop all the way down.
I checked to ensure there was no obvious signs of leaks and there were none.
On the drive home the gauge started to climb. From then till now the more I drive the more the fuel gauge rises. It's now close to half tank (close to where it should be as far as I can remember).
The car is an AE101 Sprinter Marino and the fuel gauge never malfunctioned in the 200k of ownership.
adnj wrote:zorced wrote:Hey guys, I have a good one for you.
2 days ago when I was about to leave work I noticed the fuel was reading much lower than I remember. Then when I started the car it continued to drop all the way down.
I checked to ensure there was no obvious signs of leaks and there were none.
On the drive home the gauge started to climb. From then till now the more I drive the more the fuel gauge rises. It's now close to half tank (close to where it should be as far as I can remember).
The car is an AE101 Sprinter Marino and the fuel gauge never malfunctioned in the 200k of ownership.
You said that the tank was about half full. Fuel gauges incorporate hysteresis to prevent the gauge from seeming erratic. The sender works on variable resistance so that an empty tank is high resistance and a full tank is low resistance.
If your car were parked on a steep incline, the fuel sender could have been tricked into seeing a lower fuel level.
Because the fuel gauge indicated a low level that kept getting lower, it indicates that the fuel sender circuit is poorly grounded. It came back to what you expected which means that the grounding fault is intermittent.
adnj wrote:zorced wrote:Hey guys, I have a good one for you.
2 days ago when I was about to leave work I noticed the fuel was reading much lower than I remember. Then when I started the car it continued to drop all the way down.
I checked to ensure there was no obvious signs of leaks and there were none.
On the drive home the gauge started to climb. From then till now the more I drive the more the fuel gauge rises. It's now close to half tank (close to where it should be as far as I can remember).
The car is an AE101 Sprinter Marino and the fuel gauge never malfunctioned in the 200k of ownership.
You said that the tank was about half full. Fuel gauges incorporate hysteresis to prevent the gauge from seeming erratic. The sender works on variable resistance so that an empty tank is high resistance and a full tank is low resistance.
If your car were parked on a steep incline, the fuel sender could have been tricked into seeing a lower fuel level.
Because the fuel gauge indicated a low level that kept getting lower, it indicates that the fuel sender circuit is poorly grounded. It came back to what you expected which means that the grounding fault is intermittent.
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