I need some advice on my 93 4 Runner. It won't start and I have spent $800 to a mechanic in getting it started. I do know it does not have injector pulse. The mechanic has changed the plugs, wires, coil, ignition sensor, air flow meter, distributor, cap and rotor. He said he also swapped the ECU with another used one. The truck will run for a day and then won't start again. What do I need to do to get this thing running again. I do know that when it ran for the day he gave it back to me it ran great. Help! :

 

I'd check to make sure the ecu is getting power.

 

You spent a lot of money on this thig not to run!
I'd check the obvious first - all your fuses and relays. Do you have a code stored? And how do you know it's your injector pulse? If this mechanic charged me $800, I'd take it back and tell him it still isn't fixed! He's just throwing parts at it, and they aren't working!
I believe that it's a wire and/or fuse/relay! Let me know!

Good Luck!
* Harry *

 

So, are you going to keep throwing good parts at the problem, or are you going to find a mechanic that has a clue and knows how to follow a diagnostic proceedure?

Gadget