I left the key on wen i changed the tfi coil and map sencer and it wont start i ave spark wen the starter motor stops and the fule pump go on but not wile crankingi ahve replaced the: relays the coil and the tfi but not the map... my car is a 1996 xh (s) longreach

Tried starting it again and noticed that the fuel pump was not turning on..
this is not true done wrong,
and spark is first never ever fuel first, fuel does not burn lacking spark (gas)
if spark is bad on all spark plugs then fix spark. (all plugs dead)
you really really need to end that fixaction on fuel, spark is bad
the pump only pumps cranked and running not key on
most do a 1second prime most noobs never see or know how to find that out (a fuel pressure gauge is that tool) (a 2 man job)
one at key, 1 at gauge, or voltmeter at pump wires rear. 2man not 1 or learn to crank and see fuel pressure good
and learn this fact, too, the ECU on all cars made cuts fuel if the ECU brain detects spark loss to end crash and burn as seen on TV>
this is done 1 or 2ways or both cuts injectors and cuts the pump dead , on newer cars crash switches cut fuel too, so 3ways
end fuel , deals back to SPARK


its bad wiring for spark and using a voltmeter to the correct spot when spark fails is the only test to do.
91'F150 Pickup, not econoline 4.9L gas.
it has a distributor or TFI-I or TFI-iv system
the ICM must be thermal pasted new install or fails hot.
the SM book shows it has TFI spark. in the real 4.9 schematic.
lets focus ******* TFI 4.9L
AS YOU CAN SEE , ANY OF ALL THIS CAN FAIL AND DO THIS OLD.
BEST IS NEW FULLY LOADED DISTRIBUTOR THIS OLD !
Tests:
1: the red wire must be hot keyon, at spark lost or BINGO1
2:the ecu detectS spark loss at pin 4. input. and cuts fuel faST.
3:The TFI IS the ignitor acts like old points did it charges up the coil then fires it.
4: spark is lost we always check for spark directly at the COIN.
if dead there we know coil bad or all part to the left and below bad.
5:the red/light green wire must also be 12vdc hot keyon,
6: the noise cap not missing ,dead or bad or noise can make the TFI module misfire or act up at random, noise is not good here.
7: that is for power loss etc. the problem seems like wiring bad./loose., if spark is good at coil say so. as it might be and only the ignition suppressor is bad and this cuts fuel dead if bad.
the supressor name is not good, better is spark detection read back filter. if bad ECU CAN NOT SEE SPARK HAPPEN
heck it can even lost or its pins rust after 31 year on the road.


FULL SIZED HERE

https://imgur.com/a/5wCgHKp

FIXYA MESS BELOW.

yes
have the fault codes read
look for crank/cam position sensor problems

what is the make and model have you check the fuel pressure regulator

If it will turn over check to see if its fuel or fire. To check for fuel, spray quick start for a few seconds into intake. If it starts and stops. its fuel. Change fuel filter and check fuel pump. If it does not start its fire, Could be distributor cap, rotor, coil, spark plug wires or spark plugs. If it does not turn over it could be battery or starter. Check battrey connections, ground strap from motor to body and ground wire from battery to motor and body.

Hello Ford Cobra.
Strange the fuel pump stays running as soon as the key is on.
This is leading me towards a possible relay problem that is also affecting the power relay that powers up the injection system.
Is there power to the ignition coil momentarily as the key is turned on?
If so the power relay is working and will lead to the next diagnosis step.
Keep me informed.

KL

your solenoid may be on its way out its a small electronically triggered plate switch on the side of the starter motor which starts the starter motor which in turn starts your car, its a small cylinder shape, but in saying that it could be a number of things like dirty or damaged sparkplugs or injectors but you say it was jus serviced so id say they checked them another thing it could be is a minor crack in the head gasket to be able to tell if it is look at your taco wen it starts if the revs move up and down or just lower its cracked or remove a spark plug and get a compression tester (its just a hose with a gauge on the end)and screw it into the spark plug hole and check the compression of each cylinder should sit round 100 to 150 for each cylinder if its lower than that its cracked, if you need more help or info get back to me

sounds like either the teeth on the flywheel or on the starter itself are missing a few gears or the sylinoid is not ingaging the starter enough

when tracers stop out of the blue like this, it can be a number of things. #1 is fuel pump failure or pump relay, or fuse. check to see if there is perssure at fule rail. check fule pressure regulator. #2 is ignition coil failure, or no spark. check plug wire from coil for spark. that will get you going in right direction. good luck.

Make sure you did not get any wires pinched between engine & bellhousing this is common.If it started and ran before doing clutch, nothing you did should change that! Are all wires back on starter motor?

no the crank shaft sensor would not stop it from turning over