What could it be? The main computer chip?

Tiny
MAHEALANIKUAMOO
  • MEMBER
  • 2005 FORD EXPLORER
  • 4.0L
  • V6
  • 4WD
  • AUTOMATIC
  • 125,942 MILES
The car made a pop sound from the engine and a lot of white smoke blew out from the exhaust pipe, but the car just went in for service two days before. It doesn't turn over. I tried the OBD2&1 tool the first time it said MAP sensor problem, but there is no MAP sensor in my model car. I replaced the relay fuse and got another OBD2&1 tool, fully charged the battery (cause it was low). I reinstalled the fully charge battery and turn the key over to try and see if it starts but it made a ticking sound and all the needles on the speedometer was flickering. I turned the car off completely it still made the ticking sound and the needles was stilling flickering but not as bad as it is on. So I disconnected the battery, waited about an hour and reconnected the battery. I took the new OBD1&2 connected it and turn the key to AC and it read there is not dtc reading or dtc reading for this vehicle. But on the little screen it says low oil pressure (so I check the oil it was fine), check ADVTRAC (it was on so I push the button to turn it off), and tire pressure sensor fail.
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Tuesday, May 20th, 2014 AT 5:59 PM

3 Replies

Tiny
TY ANDERSON
  • EXPERT
What service was done to the vehicle 2 days ago?

Disconnecting the battery, resets all memory of history or present diagnostic fault codes so reading with a scan tool isn't useful at this point. The clicking sound seems to be an issue with the starting system. Try turning over the engine at the crankshaft with a ratchet or breaker bar by hand only make sure it spins 360 degrees. If not removed the belt and try spinning again. If the crankshaft rotates then make sure the battery terminal clamps are clean (no corrosion) and tight, you should not be able to move them by hand. If your able to jump the vehicle in addition to the charged battery try that also.
Thanks for the question
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Tuesday, May 20th, 2014 AT 6:22 PM
Tiny
MAHEALANIKUAMOO
  • MEMBER
Oil and filter change.

I just discovered water in my engine but it didn't get a chance to mix so I didn't see the dip stick milky looking. I know the head gasket is gone. Could that be the reason why the car doesn't Want to start?
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Tuesday, May 20th, 2014 AT 7:55 PM
Tiny
TY ANDERSON
  • EXPERT
There is a good chance that coolant has filled one of the cylinders preventing the engine from spinning due to the liquid in one or more of the cylinders. That is why I suggested rotating the engine 360 degrees. If it doesn't pulling out the spark plugs may reveal coolant in one of the cylinders
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Tuesday, May 20th, 2014 AT 11:48 PM

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