96 crown vic, starts and runs 3 seconds, dies

Asked by Apr 09, 2014 at 02:21 PM about the 1996 Ford Crown Victoria 4 Dr STD Sedan

Question type: Maintenance & Repair

4.6, 250 k , 96 crown vic,
developed a miss last week, after sitting for three days and blew out white smoke upon starting. now it starts and runs 3 seconds, dies. Starts again and when revving up engine it seems to choke out and dies again
Checked coil packs, OHMS is correct.
Disconnected battery to attempt to reset.
Full tanks of fuel.
Doing a fuel pressure check tomorrow.
Any other ideas appreciated.
thanks

2 Answers

475

When a motor blows out white smoke that means its burning coolant in the combustion chamber. So a head gasket, A crack some where. Could be the reason for poor performance.

25,595

Possible. Cooling system pressure check, compression test and fuel pressure tests are all in order. Do the simple stuff first. The fuel pressure regulator can fail and dump a lot of fuel into the intake and possibly cause these symptoms but what you describe leading up to the "starts but won't continue running" condition does suggest an internal engine concern.

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