94 Toyota 4x4 reg cab, m/t, 4cyl--wouldn't run, now won't start
My son's truck, he bought it at a fair price while
home on leave, knowing it needed cracked
cylinder head replaced. We installed new cylinder
head, timing kit, water pump, thermostat, fuel filter,
etc. It already had a new air flow sensor. Timing is
now correct. (Ran it for a very short while, but
exhaust manifold turned cherry red after bout 10
min of driving, timing was off). Alternator & starter
are good, new battery. Has good fuel pressure and
spark. 2 days ago it started and ran ok, just
seemed to need some good injection cleaner run
through it (it had been sitting for about a year).
Today it will NOT start. Friend has a neighbor with
a 93 toyota pickup that apparently is doing the
same thing. I was thinking ignition module, cam
sensor or crank sensor possibly, but idk. Electrical
issues are not my thing! Any ideas? My son is in
the Air Force, can't afford a big repair bill, he now
has too much invested, really needs his truck.
Suggestions are appreciated!
Start at the basics. Check for spark, fuel, and compression. Spray some starting fluid down the throttle body. It should run a few seconds on the starting fluid. If so, it's a fuel problem. If not it's either an ignition (no spark) problem, or no compression (valve timing is off). I'm assuming that it has a distributor. So check the ignition timing as well with a timing light. You can do this while cranking as long as you have spark. Perhaps the distributor moved. I've had that happen to me before! HTH. -Jim
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