99 mercury cougar wont start?
Replaced, camshaft positioning
sensor, spark plugs and wires, coil
pack, starter, alternator, fuel pump,
fuel filter, and the pressure regulator.
After sitting for a while it will crank,
but just wont start. But sometimes if I
hold the gas all the way, it will start,
and idle funny and have a huge cloud
of dense white smoke. Smoking goes
away, idle returns to normal, and it
runs fine......... still the car sits for a
Sounds fuel related. Since you replaced the pump and other items, check your injectors, they might be clogged. Since you have white smoke, you might have a headgasket issue or some other gasket has let go forcing coolant into the combustion chamber. How is your coolant level? Is it low?
Slow coolant leak