Last post on Feb 15, 2013 at 9:17 AM
You are in the Ford Explorer
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Ford Explorer, Ford Explorer Sport, Ford Explorer Sport Trac, Car Safety, Electrical, Steering, SUV
#145 of 232 Re: 2003 Explorer won't start [scootter1]
Jan 26, 2010 (11:03 pm)
The passive anti-theft system prevents the engine running unless a programed key is in the ignition. You can't just go to the hardware store and get a key, it has to be programed to the vehicle.
Another thing to look at; The "Mass Air Flow" sensor goes bad on Fords,it will cause poor performance and stalling !
also,under the hood, look in the fuse box,(small square boxes)Replace them,
cost about ten dollars !
#148 of 232 Re: replaced multi position switch - now want start [thebings]
Jan 26, 2010 (11:24 pm)
3 things that might be causing this !
one=Mass Air Flow goes bad,causes stalling, and hard starting!
two=under the hood,fuse box, there are small square black boxes,they go bad,causes no start !
Three= pluged catalitic converter, needs replaced,you could unhook the exhaust
then try to start, converters are costly !
#149 of 232 Re: 1994 Ford Explorer wont turn over [kc8pny]
Jan 26, 2010 (11:26 pm)
Check the fuse box under the hood, There are little black boxes that go bad!
Also check ign. fuse !
#150 of 232 Re: 2003 Explorer won't start [1998lincoln]
Jan 27, 2010 (6:53 am)
Thanks for the reply. I am going down today to get new relays.
Both keys I am using are the ones that came with the car. What you are saying about the theft system makes sense. It seems like the car has shut down since there is still power to the starter solenoid!
#151 of 232 Re: 2003 Explorer won't start [scootter1]
Jan 27, 2010 (9:59 pm)
Well, looks like it could be a possible cam issue. After talking with my daughter, she said she heard a ticking on her way home then a pop!! Thinking since this is a dual cam 4.6 V8, maybe one of the chains ( belt not sure which it is) skipped or broke?? Anyone have this happen??? I got the engine to turn over once or twice using a remote starter switch hooked to the solenoid, didn't sound good!
#152 of 232 Re: 2003 Explorer won't start [scootter1]
Jan 30, 2010 (1:55 pm)
Never really paid that much attention to check engine lights. Not sure how all this relates, but I pull the valve cover just a bit ago. 5 broken rocker arms, looks like some of the retainer clips for the valve springs are broke, one valve higher then the others ( not sure about that) and there was some of the plastic chain guide plastic in the cam chain!!!! Not good. I'm sure there is some rod or piston damage also. Can't tell yet.
#153 of 232 Re: 1995 For Explorer That Won't Start [tjc1]
Feb 11, 2010 (11:51 pm)
I HAVE A FORD EXPLORER 4.0 FUEL IS 40 PSI AND HAVE SPARK BUT WILL NOT TURN ON IF IS COLD ..... IT WILL TURN ON WHEN THE FUEL PUMP SHUT OFF IF NOT IT WILL NOT TURN ON HLEPPPPPPP
#154 of 232 Re: 1995 For Explorer That Won't Start [mayo1021]
Feb 12, 2010 (7:30 am)
the EEC relay ,these have caused the same problem you are having now !
Good Luck !