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The car was running fine and then it died while it was running, now won't start.

(1999 Ford Taurus)
in Mansfield, TX on November 16, 2016
Daughter was driving and said that it started smoking from under hood and the smoke was coming out by the windshield. She was able to get it started and drove 3 blocks home, but car would only get up to 10 mph.

We changed the fuel pressure regulator as friend said fuel was not coming out of there when he checked it. Replaced it and then he said that the car was not getting fire so he told me to replace the ignition coil and I replaced it with a used one.
I was told that the car is now getting fuel and fire, but car still will not start. The check engine light was coming on intermittently, but it passed the Texas State Emission Inspection several weeks before this problem started. So I am not sure if this info matters, but believed I should include in this description as it might be relevant.

I have used an OBD II scanner on it 3 or 4 times and get no codes. We have tried everything and cannot figure out why car won't start. Help!
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Popular Answer
on November 16, 2016
Were you able to determine the cause of the smoke you first described?? Any noises when that was happening? How was the oil level? With mechanical failures , there are often no 'codes' to go along with it, so 'old-school' diagnostics , hands-on testing/visual inspections may be needed
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on November 17, 2016
No we could not determine where the smoke was coming from and she did say that there was a noise when that happened. The oil level was fine and there was less than 1000 miles since it was changed. So we are stumped and I am not a mechanic so the person helping me out knows his way around a car, but he keeps guessing and I told that I did not want to keep putting money into the car if we did not know what the problem was. I do not know how to determine what was smoking when the car died since we have not been to get the car started again.
on November 17, 2016
Physically verify cam/valve timing is correct. Do either a cylinder leak-down or compression test.post results.
of T-N-T Automotive on November 17, 2016
If the car got hot, the motor may be ruined! Do a compression test like the previous guy suggested!
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on June 05, 2017
Check your catalytic converter. If this is clogged it may have run yesterday and not today. The part where the car bogged down and didnt go faster that 10 mph is a good sign of this. This may be the reason it will not start because there is no place for the exhaust to go. If it can't go out the exhaust pipe it may effect the starting of the vehicle and a simple long screwdriver may just solve the issue temporarily.
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