Why wont my 2000 F150 start?

Asked by Nov 15, 2013 at 11:55 PM about the 2000 Ford F-150

Question type: Maintenance & Repair

My truck has been sitting for about a
month and i was trying to start it
today to get it fixed (had an exhaust
leak and lifter tic) but it only cranked
and did not start. But after a while of
pumping the accelarator and trying
to get it to to turn on, all it did when i
turned the key was sound like it was
about to start crankin and then just
not do anything.WHAT HAPPENED?
Lights work so doubt its the battery.
It was cranking. Please help

4 Answers

77,925

Could have burned out your starter.

3,565

just because the lights work doesn't mean you have enough power in the battery to start the truck. you might be able to jump start it, but turn everything else off-radio, heater, lights-they all take power away from the starter. if you can't jump it, pull the battery and take it to a parts store and have it checked and possibly charged.

15,360

Bad battery, probably. How old is your battery. 3.5 to 4 years is about all you're going to get out of one. The first cold snap should do it in.

890

you need 12.6 volts on battery.2.1 volts per say(each hole in battery.if you take a volt meter and check battery,red lead on pos.and black lead on neg. anything less than 12.4 volts is not good.if it starts,and it may then check battery again,should have 13-14 vdc.if battery is bad,you will soon see all guages on cluster panel sweep all the way to the right and the come back down to the left,then normal.if red battery light is on,most likely alternator is bad,most likely brushes shot on voltage regulator.if this is the case,you can get a regulator on ebay at a good price,i did and it fixed my motorcraft alternator.if this is the case,make sure to get correct one.i think they make a 95 amp and 130 amp.research your problem,dont throw $500.00-$1000.00 at it and it not be the problem.hope this helps.if pcm does not see correct voltage,it will not send signals to where they should be sent,and maybe give you incorrect false cel codes, if any.i have seen this many times.hope this helps.also you should not ever have to pump gas pedal.

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