Problems starting hard to turn key in ignition. often takes multiple attempts to turn on. has died while driving a few times recently. it's a 2005 chevy malibu classic. the battery and alternator check out fine.

Plugging it into a diagnostic system or an OBD2 scanner could give you trouble codes as clues as to what's wrong. This will cost you for this service so shop around as price can be very different from company to company.. There are good mobile auto electricians out there who can come to you.
Most modern vehicles have a built in immobilizer system. The ignition key and switch are part of it. Each ignition is coded to only that vehicle. By changing the switch you might have triggered this system and making it think that the vehicle has been stolen. If you have triggered the immobilizer and need to re-code the ignition you might have to go to a dealership to get it done.

2004 Ford Explorer Engine Stalls/Cuts Out While Driving: 31 ...

www.carcomplaints.com/Ford/Explorer/.../engine/engine_stalls_cuts_out...

... 2013 · 2012 · 2011 · 2010 · 2009 · 2008 · 2007 · 2006 · 2005 · 2003 · 2002 · 2001 · 2000 ... 2004 Ford Explorer engine problems: engine stalls/cuts out while driving ...to overheat and slide out of its socket, causing the engine to shut off. ..... Suddenlyat 30-35mph, my engine just died and i cannot control the steering wheel.

2005 Ford Escape Engine Shutdown While Driving: 24 ...

www.carcomplaints.com/Ford/.../engine/engine_shutdown_while_drivin...

The 2005 Ford Escape has 24 complaints for engine shutdown while driving. ...January 22: Ford Ranger Driver Killed by Takata Airbag in South Carolina news ' 2 days ago; Ford Focus Door Latch ..... I was 80 miles from home when the engine shut off. .... No one could seem to determine the true cause of the problems.

Ford Ranger Stalling/Dying Problems - Edmunds.com

forums.edmunds.com > Ford > Ford Ranger

Nov 2, 2007 - 31 posts - ‎21 authors
Learn more about Ford Ranger at the Edmunds.com Car Forums! ... cut off a couple of times then it started happening more frequent while driving. ..... the other day I was driving down the highway and it just shut off, no warning .... 2000. when it gets overheated the circuit shorts and causes the engine to die. Ford Expedition engine cutting off while driving
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There are many things that can contribute to this problem. It sounds like it may be ignition related. Possibly an ignition control module or ignition coil. The check engine light coming on while driving is the key to finding the problem. The light comes on when the computer finds a problem and will then store it in its memory. Have the codes checked for what the computer has found to be at fault and with a little diagnostics, should lead you to the problem

Sounds like a programming or electonic problem If it was to replace an ignition switch, the dealership may have flashed the computer with the wrong information to operate you vehicle or match up with the replaced part.. You will most definitely have to take it back.

sounds like you have a grounding issue possibly a main grounding location. inconsistant grounding of the vehicles control module will cause erratic behaviours. check under the hood for ground locations containing multiple grounds at 1 bolt location.if different "experts" have attempted repair and failed chances are they are all looking in the wrong place.dash{interior of vehicle}..actual cause.{egine compartment or under side of vehicle..ie...ground locations.}good luck and safe motoring:>

many possible causes. sounds all too much like a crank sensor failing. when it dies, does it act like you shut key off, (instant stall)? or does it sputter and cough, then stall out? seen this same situation and problem many times in my shop and a cranksensor fail can be hard to catch when it fails. most likely cause.

hello there
You will most likely need electrical portion of the ignition switch.It is a comon problem and not hard to replace
here is the part number for "ignition starter switch" is
A 4A0 905 849


proporsche

Listen TFI module is more than likely the problem change it. TFI module controls spark and timing and fuel. Keep one with you in the car. The module is getting hot and not working right.

sonds like the coil two me but okay that could be a muber of problems it could be spark plugs, plug wires,lose distrbuter cap, lose timing chain look at sparks frist. [email protected]

get into the car , close and lock all doors. insert your key into the ignition in and out 6 times or until your directionals flash. that's when the car is in program mode. you need to pay attention to it while putting key in and out of the ignition. watch your dash for flashing. its kinda hard, but you can do it. so just take your key and put it inside of the igniton and take it out 6 times in a row or until lights flash. when lights flash, put the key in the ignition and turn it to accesorries position (do not start the car). when the dash / cluster lights up after you turn the key, press any button on the remote. your hazards should flash on the dash again. after that happens, take the key out of the ignition and unlock the door with the door lock switch and open the door. remote is now programmed. congrats. you did it.