I have just bought a Kia Sorenta and i can get 2nd key to start engine, it just keeps turning over and not igniting, can you help

well all cars end up like this, for sure not doing service points per the makers guild.
so it is NOT a NO START (50 causes)
it is a DEAD starter called CRANKING is dead. 6-8 causes.
we we have posted the answer here 100 times. googling gets millions.
well first is the drivers seat you look at the dash cluster
for IMMO lamp errors. (security key errors ) if yes BINGO all in 1 second flat you see the IMMO is not happy, engine immoblizer is glowing DEAD WRONG.
per the users guide now lost>

1. IMMO not happy, fix that, first (users guide page 3-8)
2. battery cables loose or rusty lugs or gee both. sure this old. sure;.
3. the battery that old is NEVER GOOD ,ever. in fact on 2nd battery and now it died too and gee even INTERMITTANT batteries happen EASY (common)_
4. key switch bad.
5. starter relay bad
6. no transmisssion told (auto or stick) but PRNDL bad but amazing it cranks in neutral tried, (per users guide) or if STICK, clutch switch bad.
7. starter bad. (it can be hot wired, keys in pocket safely , ask how.

if the starter motor is dead (no crank) how can you say the battery is good.
IDK. elaborate that?. new, and charged and fully load tested is the answer

3-8
https://www.manuals.ca/kia/magentis-2007/manual?p=18

Limp home (override) procedure
When you turn the ignition key to the ON
position, if the IMMO indicator goes off
after blinking 5 times, your transponder
equipped in the ignition key is out of order.BAD
You cannot start the engine without the
lime home procedure.To start the engine,
you have to input your password by using
the ignition switch

Push the lock button on your key fob for three seconds, until the lights on your dashboard blink. Your key has been reprogrammed, and your alarm and computer have been reset. Turn your Kia off, remove the jumper wires and close the hood.

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I don't know. on most key start cars, when you twist
the ignition key, the engine starts. if you twist the key
again the starter may try to engage again and you will
hear a strange noise. you may have a similar situation
with your clutch start. push to floor to start. release
immediately and don't push it to the floor again.

Have fuel filter changed if it has one. If not it get a shop to check fuel pressure at the fuel rail on engine. If it is low your fuel pump is going bad.

that is a dead short, the fuse saved you the ensuing fire.
there are 2 fuses or more... with that name..
old cars love to short things, no lie.
the fsm is the best thing to have, and alldata.com , 2nd.
the older that car the more true that is... and your car is 10x that.
a 1991
is the fuse in the cab BOX? NOT ENGINE BAY?
THE CAB FUSE , HAS these (USA cars, other are DIFFERENT)
no country stated (sigh)
ignition sw AM1
ignition sw AM2
ignitor 1
ignition coil (1 for 4cy, and 1 for v6 engine, unsaid)
on one car there is a IGN fuse 7.5 amps
and runs the ECU and main relay.
there are 3 engines, and drawing for all 3.

get the fsm and use that or login to alldata.com and hope
it covers your engine. (unstated)
22r,3vz,3F

Bad ignition switch not the key switch the ignition switch i would check that first.Then the key switch.

What they did was upgrade the system here try this its from Kia.
Turn the ignition key to the "ON" position. Reconnect the negative battery cable. Turn the ignition key to the "OFF" position.
4. Transmitter Programming Procedure:
1. Turn the ignition key to the "ON" position. Do not start the engine.
2. Locate the "disarm/programming" button which is secured to the remote start wire harness behind the left lower dash panel.
3. Press and hold the "disarm/programming" button for 10-15 seconds until the horn beeps 3 times.
4. Release the "disarm" programming button.
5. Press the red Find/Panic button on the remote start transmitter one time. The horn will beep one time indicating that the transmitter code has been learned. Repeat for each additional transmitter.
6. Turn the ignition key to the "OFF" position.
5. Function Check:
Refer to the vehicle specific "Remote Engine Start" installation instructions for a complete list of functions to be verified before delivering the vehicle.

Check your battery terminals, if they have any corrison on them they need to be cleaned. Also make sure your battery terminals are good and tight.