How do you replace front control on a 03 ford mustang?

sounds like the immobilizer is locking out the fuel pump,
have you replaced the key without reprogramming it?if so take the old key and the new tape them together at the tops cut portions facing in opposite directions and try starting the car that way the security light should go out

May be its problem with timing chain and it has to be inspected and replaced.Or its possible that timing chain is got misaligned.

There are few help,links provided related to timing chain assembly and dis-assembly. Go through it and confirm proper inspecting of timing chain.

Click the required help link below:----How to Replace Timing Chain Cover & Seal on Audi A4 ? http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-timing-chain-cover-seal.html
----------1982 Toyota Pickup: Set ignition timing, engine overheating, timing chain issue, dist off? http://whatisbyme.blogspot.in/2012/05/1982-toyota-pickup-set-ignition.html
----------How to Remove Timing Chain Cover and Seal on Toyota Previa?

http://technoanswers.blogspot.com/2011/12/how-to-remove-timing-chain-cover-and.html

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How to Remove Timing Chain and Gears on Toyota Previa?

http://technoanswers.blogspot.com/2011/12/how-to-remove-timing-chain-and-gears-on.html

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Ford Mondeo ST220 camshaft Timing specifications? http://technoanswers.blogspot.in/2012/02/ford-mondeo-st220-camshaft-timing.html
------------Replacing Timing Chain Cover For 2009 Ford?

http://repairhelpcenter.blogspot.in/2012/03/replacing-timing-chain-cover-ford-2009.html

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Timing Chains & Front Cover Removal on 2008 Ford Taurus? http://repairhelpcenter.blogspot.in/2012/03/timing-chains-front-cover-removal-on.html
----------How to Replace Timing Chain Cover, Chain, Sprockets, & Seal On Ford Taurus? http://repairhelpcenter.blogspot.in/2012/03/how-to-replace-timing-chain-cover-chain.html
---------How to Replace Timing Chain & Sprockets on Ford Windstar? http://repairhelpcenter.blogspot.in/2012/03/how-to-replace-timing-chain-sprockets.html
---------Timing Chain & Sprockets Replacing on Ford, Mercury and Lincoln? http://fordrepairhelp.blogspot.in/2012/03/timing-chain-sprockets-replacing-on.html
----------How to Replace Timing Chain & Sprockets on Ford Edge and Lincoln MKX? http://howtobyme.blogspot.in/2012/03/how-to-replace-timing-chain-sprockets.html
------How To Replace Timing Chain, Sprockets & Front Cover on Ford Expedition and Lincoln Navigator? http://repairhelpcenter.blogspot.in/2012/03/how-to-replace-timing-chain-sprockets_356.html
---------Timing Chain, Sprockets, Front Cover & Seal removal for Ford Mustang? http://schematicsdiagram.blogspot.in/2012/03/timing-chain-sprockets-front-cover-seal.html
---------How to Replace Timing Chain on Buick LaCrosse? http://howtobyme.blogspot.in/2012/03/how-to-replace-timing-chain-on-buick.html
---------These details will help.For more help keep updated.Thanks.

If u go to the web link below u will find the procedure for replacing the heater with pictures, this applies to 1979-1993 Fox Body model years


http://www.mylrs.com/blogs/lrs/archive/2009/03/31/1979-1993-Fox-Mustang-Heater-Core-Replacement.aspx

you should take it in for an alignment they will tell you if anything is bent could be something bent from a pothole or from a tow truck ? either way you should have it looked at by a professional . hope this helps

Ford,s stock computer shuts off the fuel at 113 mph, call summit racing and get a chip it stops the rev limiter

The Body Control Module (BCM) on the inner front fender. Controls the fuel pump, Cooling fans... I have a '93 Fox Body. Been there done that.

try opening the bleader on the caliper if they release the blake line has an internal kink maybe caused by a recent brake job. if that isnt it it may be the calipers its hard to diagnose without being there in person

1998 Ford Mustang 3.8L SFI 6cyl

Visit autozone.com (free register) for details like this...
Lower Ball Joints



Fig. 1: When inspecting the lower ball joints, make sure the checking surface protrudes outside the cover



Fig. 2: Use a C-clamp and adapters to press the ball joint out of the lower control arm



Fig. 3: Use the C-clamp, cup and replacer tools to press the new ball joint into the lower control arm until it is fully seated in its bore

Hope help you with this, good luck (remember rated this help).

please rate as problem solved if this is what you need.



Section 03-14: Engine Controls, Electronic 1994 Mustang. Workshop Manual
REMOVAL AND INSTALLATION Intake Air Temperature (IAT) Sensor Removal and Installation

1. Disconnect battery ground cable (14301) .

1. Disconnect engine control sensor wiring (12A581) from intake air temperature sensor (IAT sensor) (12A697) .

1. Remove intake air temperature sensor from air cleaner outlet tube (9B659). (This is the tube that goes from the air cleaner to the engine.)

1. To install, reverse Removal procedure. Tighten intake air temperature sensor securely.

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Fuse Box Diagram

Circuit Schematic

I trust that these are what you are looking for, they are screen captures of the requested information right from Ford.