407 fuel gauge shows only 75% when tank is full
Helpdesk advise replace the fuel pump 1000$ only the pump
No is better to adjust it , faster cheaper!!
Disconnect the connector from fuel pump
The tool is from an old fuel pump
Disconnect the battery and tape the connector + and- together for 2 minutes
Connect the tool to the both wire on the left side turn the arm of the tool to the left side to get the maximum on resistant out of the tool
Connect the battery back and plug the pps to the car go to the parameters from the BSI and u see the fuel gauge shows empty the fuel level shows 0.0 liters and fuel measured 0.0 liters
And important fuel level displayed 0.0 liters with the fuel resistant
Shows 363 ohms u need min 350 ohm to get all to 0.0 liters
Now but lees resistant on the tool turn it to right side end of the tool switch off and wait 5 to 10m
The fuel gauge impedance must be under 50 ohm to get the fuel gauge to the maximum 66 Liters when it not works disconnect the battery for 2 minutes and connect it back.
Now check the parameters again in the BSI must show u
Fuel level measured 66 liters
Average level of fuel 65 to 66 liters and the fuel gauge impedance must be under 50 ohm
Now take a look at the speedometer, it shows u full , be sure the car is full with petrol before u start to do the work
Best regards Magic Peugeot xxxxxxx
ich hoffe ich konnte weiter helfen .. da ich nicht gerade in Deutschland lebe, musste ich den Bericht in english schreiben. mein upload ist nun voll
gruss magic
manchmal sollte man nicht zu schnell aufgeben.