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I just had fuel pump repalced and it seems as if somthing is draining my battery. there are no lights on but if my car isn't running for 15 min then it needs a jump but if i unhook the battery from the car after i use it and then hook it up to use the car it works. what is draining my battery?
Re: I just had fuel pump repalced and it seems as if...
Could be the fuel pump relay staying on, it should turn off when turn off the key, sometimes the Tech will jump the system to drain the fuel out and may have installed the relay incorrectly.
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Likely you are draining the battery with your system use during the car operating. This drag down of the battery means that your alternator may not be working properly. Check the alternator to see if it is putting out voltage. Otherwise check the battery during operation to see a higher voltage on the terminals if it is getting charge from the alternator.
YOU STILL NEED TO HAVE THE BATTERY FULLY CHARGE . LIGHT USE 5 TO 7 AMP FOR THE ECM TO POWER UP. IT NEED A FULL CHARGE. THE TAIL LIGHT WILL DRAIN THE BATTERY AND WILL NOT WORK. JUMP TRUCK AND REPLACED BRAKE STWITH OR ADJEST IT.WITH A GOOD BATTERY KEY ON YOU WILL HEAR THE PUMP RUN FOR 15 TO 20 SECONDS AND IT SHOULD RUN
G'day
I dont know if this will help but i had a similar problem with an isuzu sbr and after doing all that you have done i took the fuel tank off and drained it. Every thing looked fine so i washed it out with a little bit of petrol and a small piece of clear plastic came out. What it was doing was floating up when the truck was not running but after i started the truck it would slowly get sucked down to the outlet and block the fuel line.
It was very frustrating and it took me quite a while to find the problem.
hope this helps.
malfunction with security system,wait 15 min. when this happens to see if it will start.the car should not run with this light on.there was probably nothing wrong with the fuel pump last yr.
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