SOLVED: Electronic gas gauge Gives wrong reading, after

Detail: The electric instrument cluster reads fuel when top off but, after driving 80miles it displays the wrong reading. The fuel pump and floater were replaced as complete unit. Would it be best to replaced the instrument cluster or is there a computer that send the wrong readings to instrument cluster? Please help,Thanks
Detail Question SOLVED: Electronic gas gauge Gives wrong reading, after

Solution: Instrument cluster is just for monitoring. but on modern cars there can be integrated circuits to calculate the actual amount of fuel inside tank. so sender sends signals and dashboard decodes it and show the amount on gauge. which car do you have? if it is a later model with such system you may need to reset related software to match with new sender unit on pump or floater. (dealer can do this for you) for example if you have a new daylight driving lights(LKM) controller on new BMW's if you replace it with a new one you need to code it to match with your car. if not it wont operate correctly., But there is an exeption. when sockets are broken or connections are wrong, fuel and temp gauges act erratic. they jump, pulsate or dont work at all. before replacing anything more be sure that sender unit or whole asembly is the correct part for your car. second be sure that connection has been done correctly. , Hi, a 6ya Mechanic can help you resolve that issue over the phone in a minute or two. Best thing about this new service is that you are never placed on hold and get to talk to real repair professionals here in the US. click here to Talk to a Mechanic (only for users in the US for now) and get all the help you need. Goodluck!

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