Electric start cranks but engine doesn't start

is this the Single head cam or twin version?
no photo of engine, so answers will be weak.

double posted. is this the single cam or twin cam engine?????? per side, the twin cam has 4 cams. 2 /bank.
i can not understand your questions, at all.
ok you overhauled the engine,
nor can i understand , still hard start.
does that mean it cranks slow and turn runs and drive perfectly ?
or cranks fast, but hard to start and runs perfectly?
or does that mean it cranks fast, starts, then misfires and runs crapppy-pappy?
hark, the devil really is in the details, no?

Generic answer.
all the wires and sensors , hoses not put back correctly.
oil full, coolant full, fresh gas in tank,
then you crank engine with no spark (I pull fuses)
and the crank it until oil pressure is good. yah, do that.

if really savvy, we check for top end oiling next. cranked only.


ok looks like oil pressure is good,(I don't want to wreck a new engine) (also check compression on a new engine, to see if we messed up., if not 150psi or more, you timed it wrong)



then we crank it, ok, it cranks and don't start
I check spark and it's timing using my timing light, it's wrong, i retime it, no and its ok. as is ..
ok sparks good, on all 6 cylinders. checked carefully and for static time.

so now start engine on test fuel,
if fails, see above for why.!
ok it runs for say 2-3 seconds and stalls. good.
We yell at the gas engine gods. O'BOY my engine seems to be OK ! progress....

next is fueling , ill stop now, as typing a book on fuel injection
is not easy here.
but fuel pressure is next. on all EFI engines. as is good fuel.
when did car last drive perfectly, 1 month ago,
10 years. what?
if long ago, the gas is bad. as are related parts all gunked up, like filters, and injectors.
and even the pump, or its sock packed in GUNK.
as you can see we have no history on the car, so.
really anything is possible. even vandalism.

btw we never just throw and engine in a car.
we check.:
1: compression, gee even sitting on a pallet.!
why install (6hr labor) a dead engine,?
2: then cranked oil pressure, spark/fuel off line.
same reasons.
3: then if all that is ok, I do check top end oiling now, if not any top end, the cams will not last very long. they will smoke and seize up in a flash.

this is how its done correctly, ask how.

When you say "no amount of jump starting turn engine", do you mean the engine cranks but won't start, or it won't crank at all?

If it won't crank at all, then you need to check to be sure the engine isn't seized. Whenever the oil light comes on, it is an indication that there is low oil pressure to the engine...it has nothing to do directly with the AMOUNT of oil in the engine. The engine oil can be totally full, but if for some reason the engine loses oil pressure, there will be no lubrication to the main bearings. Two minutes of this condition will do irreparable damage to an engine. This may well be what happened to you.

Coolant temperature sensor controls the fuel metering. When one fails the engine is slow to start at first and there is a strong odor of gasoline. Turn it off and it starts right up. As the problem gets worse the engine may fail to start.

Check your Fuel Lines and your Fuel Pump. (I just fixed a problem with my 2001 Isuzu Rodeo Fuel Return Line).

Also remember that in Rodeos, as soon as you turn your car key to turn the ignition on (just to make the dashboard lights go on) a certain amount of gasoline gets pumped to your engine in preparation of you turning the key all the way to crank the ignition and start the car. In other words, even before you turn the key all the way to crank the ignition, the Fuel Pump will pump some gasoline through the Fuel Lines to your engine (it will pump the gasoline for about 4 seconds then stop). So when you go to start your Rodeo, remember to turn the key with one continuos motion so that you start the ignition cranking while the gasoline is being actively pumped.

In addition, you should never turn the ignition lights on without turning the key all the way to start the engine. Doing so could cause that bit of gasoline that was pumped to start the engine to just sit there and create problems.

in extremely cold weather, you may need an engine block heater or lighter weight oil. you can verify that the gas is flowing if you disconnect the main gas line to the injector/carberator, attempt crank, and see whether fuel squirts out or not. if its cold enough to freeze gasoline, it could be cold enough to freeze oil, anyway

No crank to a mechanic means the starter motor doesn't spin the engine over, is this what you mean? Or do you mean the engine cranks over but will not fire up and run? If it is the latter have you added at least 3 gallons of gas to the tank to make sure the electric fuel pump inside the tank can properly prime? If not do that, also you can spray starting fluid into the engine engine air intake pipe after adding the 3 gallons and see if that gets it going. If it still will not start you have burned up the fuel pump and you will need to drop the fuel tank and replace the pump, remember the pump is cooled and lubricated by the gasoline it runs in, so when you run low on fuel or out you can very quickly severely damage the small electric fuel pump. Never let the gas gauge level go below 1/8 tank to prevent premature fuel pump failure.

Does the engine turn over? If it does, then check to see if the check engine light comes on when you turn the key to the on position. If it doesn't, then the PCM is not receiving power. Check the orange power wire usually located by the battery to make sure it isn't damaged. Repair if necessary. If the check engine light comes on when the key is turned to on then crank the engine while observing the light. Does it go out while cranking? If it doesn't, then a problem with the crank sensor signal is indicated. If it does go out then the problem might be fuel related. Disconnect the air cleaner hose to the throttle body. Have someone crank the engine over while opening the throttle slightly. Spray starting fluid into the engine to see if it tries to start. If it does then a fuel related problem is indicated.
CAUTION : Wear safety glasses during this procedure. Be careful around moving engine parts.

bad flot/needle and set gass fill the carb gets on top of the pisten gos passt the rings filling crank with gass. very comin good luck. !! MooseMan

check:
- is gasoline in the tank?
- is there a spark emitted at the spark plug if held to the cylinder while cranking the engine.
- is the headlight lighting up while cranking?
use a starter-spray in the air intake



Vespa 150GS VS5 spark check

some vehicles when a certain sensor goes bad the computer in the car wont let the engine start until it knows that the engine has oil pressure. thats why it cranks for so long. the engine is building oil pressure from starting it. not sure what sensor it could be on your ford though.