It just stopped starting after my wife came home no sign of problem no engine light
SOURCE: 1999 ford Explorer 4.0 v6 4x4 will cranck but not start has spark
Honestly it's probably just dirty spark plugs. Did you pull any of the spark plugs and inspect the tips for build up? A couple things to remember:
1.) If the timing chain broke, the valves wouldn't be opening so you wouldn't have any air coming out of the exhaust during crank. You said it smells like you're getting fuel, so I'm assuming that means you're smelling the exhaust fumes, right?
2.) The crank sensor tells the ignition system when to send a spark to the plugs. If you're getting good spark, it's unlikely that the crank sensor is faulty.
If it's too soon for spark plugs to need replacing, check your sensors. A faulty oxygen sensor for example could cause your engine to run 'rich', resulting in faster crud build up on spark plug tips.
SOURCE: 2000 ford explorer 4.0 x-engine is stalling, missing and lose power while driving
Exhaust might be stopped up. Check the catalytic converter and or muffler.
Good luck!
SOURCE: 1997 ford contour wont start gets spark and fuel
Change out ignition moduel, tighten all grounds.
SOURCE: My 2000 ford contour wont start. Engine cranks,
Have you changed the fuel filter.
Your pump may be priming but the pressure could be against a clogged filter.
You might want to check the fuel pressur at the rail.
It might be a fuel pressure regulator problem
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