gas guage is reading wrong

[neoncruzier]

03' neon....what could cause my gas guage to read wrong...like when i fill up my car it won't reach all the way to Full..it plays around with u ..say when car is in motion it will drop alil ..but when u turn it off n on u will no where the right reading is at..when in motion again it will drop alil again.... what could be the problem ?.

[das2123]

Fuel sending unit may be going bad on you.

[denisond3]

How many miles are on the car? If its gone past 150,000 miles, you might want to start budgeting for a new fuel pump/pickup/sender unit. (Its often sold as one assembly, an expensive one) They dont last forever, and its a LOT more convenient to get it replaced before it quits. I.E. you can drive the car to get it fixed instead of having it towed in. "Pre-emptive repair".

[neoncruzier]

the car has 130,000 miles on it , i kinna knew that woulda been the problem to....fuel pump.