Originally Posted by Xterra Mike
how does it sound when you try to crank it? Sound normal? No codes? The MAF sensor will kill the motor if it goes bad but will set a light. a belt with stripped teeth will throw off the timing therefore the truck will not run.
Side note. Premium fuel will do no harm, i always fill with medium grade.
Mike - This side note is incorrect.
Premium fuel (AND mid-grade to a lesser extent), can result in unburned hydrocarbons that can become deposits in the engine.
Using a higher octane than the engine is timed for means that the feul burns too slowly for the timing, so the spark starts to burn the fuel, but the flame kernal propagation is late.
If the spark and ignited fuel, to push the piston, were timed like the push to push a kid on a swing...
...higher octane gas would be like pushing the swing when it was a further distance away again (It swings towards you, and you wait JUST until it starts to swing away again to push...
...if you push too SOON, so the swing is jolted on the way IN, that's knock or ping.....
...if you push at the right time, that's good timing....
if you push later (Higher octane), you can lose power, and can coke the engine, leaving dark deposits or even burned looking areas)
(I just wanted to clarify that issue, as there are many readers of these posts who will take these things to heart..and suffer the consequences if unlucky enough)
As for the original post re engine failure...the timing is probably an issue, and the distributer may be a symptom, or at fault, depending upon how over due for a t-belt the poor beast is...
Even a little slip can knock the timing off enough to stop the engine.
Putting a timing gun on it and CHECKING the timing will answer that particular question though, and its what I'd recommend as a starting point.
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2001 Xterra SE, 2003 V6, 5 spd, Shrock Sliders, Bumpers and Skids, Warn 9.5xp Winch w/125' MasterPull II, OBA w/4Gal Tank & 4 CFM Compressor, Revolver Shackles, Deaver 3-Pack + Calmini 2-Pack + OEM Leaves, Bilstein 5150, SLR UCA, Diff Drop, 3" SL, 2" BL, 33x13.5/16 LTB's, Snorkel, Electric Fan Swap, etc...