1999 toyota tacoma 4by4

Water went in relays,computer mane it thats a desaster try drying as mush part as you can saw that hapen too many time everybody ask me clean my engine its dirty i always tell them so what its dirty and after i tell the story about the with a town car

Does your vehicle have an electric fuel pump? If it does, check to see if the filter is clogged. Also, you can remove the "out" side hose, turn on the ignition to check if it pumps fuel.

could be your timing belt

It could be bad spark plugs ,Or spark plug wires, Or fuel injecters, Or the motor has seen it,s better days, Depending on the mileledge on the vehicle, End if it was ever mantained (Properly)

Have you tried replacing fuses? i would look there first. a blown fuse is easy to see.

what you have here is a faulty temperature sensor so its telling the computer the engine is still cold ,right so you know the fault but where this sensor is i have no idea sorry only europeon motors and these of this model are all diesel with mainly manual gearboxes

Repair your vehicle right away. Just click on the link I attached 1995 2000 Toyota Tacoma Service Repair Manual

what plugs did you use, denso i hope. is the firing order correct?

Found this solution and it worked for me on my 1996 Toyota Tacoma and fixed the problem you described...!!! Here it is --------"I Hope You All Appreciate This FAST and EASY Inexpensive Repair That Even The Toyota Dealers Dont Seem To Know How To Fix !!! The Problem Is The Air filter temp sensor. Look On The Left Side Of the Air Filter Housing and Disconnect The Plug Thats Attached To The Spark Plug Like Plastic Sensor Mounted on The Side Of the Air Filter Housing, Now Go Start Your Truck !!! Your Truck Will Start And RUN Fine Now ! Replace The Sensor Approx $59 at Autozone... This Should Fix 90% Of Your Problems If your In the other 10% and it does not Fix it , Email Me and Ill See If I Can Help ! People Have Spent Hundreds and into The Thousand Dollar Area Trying to Resolve This Intermittant Problem At Inept Shops with Illiterate Mechanics ! If Your Happy With This Fix, BE Generouse ! I Do Accept Donations at Paypal Send to [email protected] Thank You JOE Mechaniac"
The answer (above) came from this link and was posted by joe the mechanic on this thread
http://www.fixya.com/cars/t890232-1996_toyota_tacoma_wont_start_when

Check for fuel pressure when starting. Fuel pumps have a check valve in them that keep fuel in the rail at the injectors. If the check valve fails, the pump has to pump fuel all of the way up to the engine. Same thing with hot no-restarts. Fuel pump.