Re-check all of your work. Some thing may have come loose or vibrated loose..
A cylinder misfiring can cause this sympton, check/replace spark plugs and plug wires. Also, sputtering and shaking can be caused by engine timing, have the timing checked. Another cause can be fouled fuel injectors on fuel injected vehicles.
The engine began sputtering and then it went dead.
what year and what engine??
Your # 1 engine cylinder is MISFIRING The engine cylinder locations on your Ford Explorer Sport Trac are numbered : firewall 3 - 6 2 - 5 1 - 4 front of vehicle
why would it no be
Have the engine tuned.
Bad ignition coil will cause engine to sputter and hesitate on acceleration.
Misfiring on a petrol injection engine is caused due to incorrect ignition timing. As the engine rotates, the timing determines when each piston fires or ignites.
When the engine is cold or when it is misfiring.
What kind of car?
Check your engine timing, it may be too slow.
Engine cylinders # 1 and # 4 are misfiring