1999 Ford F150 Regular Cab - Answered Questions & Fixed issues

Anti-theft is known to be an issue. The only way to correctly diagnose is to call a mobile auto-electrician. His pro grade scan tool computer can diagnose and record faults as they happen, plus show all the historical data that may be saved. The attached video may also help. https://www.google.com/search?q=1999+Ford+F-150+theft+code+16

What does the ford f150 theft code 16 mean? - Vehicle History

https://www.vehiclehistory.com > questions > what-does... 4 answers The Ford F-150 theft code 16 means that the anti theft system has been triggered, and the car will not start. This system is known for being finicky, ...

when an anti-theft module 16 is tripped and the vehicle won't start, the only way to fix it is to reset the system using factory software or a high-end scan tool. You may be able to find a mobile mechanic/locksmith with the software who can come to you, but most likely you will have to get the vehicle to your local dealer.

notify manufacturer or distributor where bought for installation instructions have product model number and vehicle information available

When it will not start with the key, is this a crank no start issue ?

If you turn the key from off to run ( do not start ) does the theft light on the cluster go out ?

If not, try a different key. I am working from an assumption that the PATS key is not registering with the HEC for some reason, this is why the try another key. The remote start has a PATS bypass

Please post back with the answers to the questions, and the results of the 2nd key testing

No fog lightf but the bubs are new where is the fuse at on a 99 ford f150

what color is the fluid -bright red or brown ??? if brown change the filter & oil-if it dont work then the clutch packs or servo needs replacing

Best advice is to get the key pad checked.

Check starter circuit, relay , starter

Any flashing lights on the overdrive button. Sounds like a messed up torque converter or a computer command to stay locked up randomly. It's just a clutch that uses fluid, but most now have a electrical controlled magnetic clutch to lock them up. If they are told (wrongly by the computer) they won't let go and will stall the motor, cause harsh shifts, etc. Diesels just won't stop with the power they make. Scan for codes.

To reset some v10 Ford's, you turn on the key (not motor) and push down the gas pedal 3-4 times to the floor and all the way up. Let's computer reset 100% on and 100% off. Dodges same.

Check the connections for power with a test light. If your getting power to the pump and it doesn't work then it is bad (new or not)

Needs a new multifunction switch on the column..

Flush torque converter and tranny flush. If you suspect that's the noise. Pump transmission

Most 98-99 have wind shield leaks that allowed rain to trickle in to the cpu wiring harness under dash. it will have to be cleaned or replaced

Under the hood on left fender will long black box remover cover relay is the first one closest to fender and front in box.

problem torque converter clutch servo/ solenoid check wiring and connections

It's ******* to put an old engine into a newer vehicle. You can do it the other way around, but not this way. Chances are it won't have places for all the sensors.

https://s21.postimg.org/wwpncpluf/pcm_power_relay.jpgClick on the link.Voltage for fuse 18 comes from, pcm power relay.Terminal 30, load side of relay is fuse protected and hot all the time. If you unplug that relay and use jumper wire between terminal 30 and 87, fuse 18 should go hot. That should mean, the control side of relay has a problem, The control side needs voltage and ground.

Check that the battery cable ends (where the wire goes into the clamp) are clean with no corrosion, and that the other end of those cables are securely connected - especially where the ground cable connects. Also check any ground strap that connects the engine with the frame or body.

The P1131 means that your upstream oxygen sensor (the one closest to the engine) is not switching rich to lean and back as frequently as it should. This could be due to a vacuum leak, a failing oxygen sensor, or a rich fuel mixture. Rich mixture - Too much fuel, not enough air. Lean mixture - Too much air not enough fuel.