Usually you are not supposed to reprogram anything. Just connect the battery and drive the car, it will take about 100-250 miles for ECU to relearn sensors.
you need to reprogram your radio when the battery has been disconnected - see owners manual
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You will have to reprogram all the preset radio stations ( if that is what you are referring to ? )
disconnect the positive connector on the battery
take the tire off the left front and open the front fender wall the battery is behind there
Yes it will
Disconnect the battery for 10-30 seconds or use error code reader to do the same thing.
I had the same problem with my 2000 eclipse gt. You are probably still running the factory battery and after time, the battery losses its cold crank amps. It still holds a good charge, hence the reason all of your electronics work well, but the battery does not have enough amps to turn the engine over. Simply replace the battery and you'll be starting everytime. After changing the battery, I suggest starting the car and letting it idle for fifteen minutes to allow the computer to "re-learn" its proper air:fuel ratio.
You will need to reprogram the computer with an upgrade programmer.You will need to reprogram the computer with an upgrade programmer.
No, it will not.
Take it to the dealer.
The fuel pump relay #MR312504 is located under the hood next to the battery (inside the fuse box) .