FourWheel22R

I tried this a few days ago but my post was deleted for having an ambiguous title. So, here it goes again:

My truck is a 1993, 4WD, 22R-E, 5 speed. Since I got it in August, it has gotten new rear brakes, a new stock cat-back, new belts, new plugs, wires, cap and rotor. The problem I have now is that is won't start.

It started out as a no start only when it had rained. I replaced the cap, rotor, plugs and wires hoping to cure this. It ran great for three days, then it rained every day for about a week. I haven't been able to get it started since then. Both the primary and secondary resistances on the coil are within specs, but I can't get any spark out of the coil. Does anyone know if there is a way to test the igniter, or how and where to check if the igniter/coil are getting power. Is there a fuse that supplies power to the coil? Thanks in adance for any advice.

Fahrenheit 451

This may sound odd, but pull the passenger side kick panel and check the ecu and connectors for water. A somewhat frequent problem is for the windshield seal to go bad which lets water get inside the cab causing no-fire problems due to the moisture in the connector.
Just an opinion.

colsoncj

Check this out: http://personal.utulsa.edu/~nathan-buchanan/93fsm/

That should make your day!

FourWheel22R

Actually, that doesn't sound odd at all. I do have a leaky windsheild. Is there any way to check the ECU to see if that is the problem? Thanks.

FourWheel22R

Cory,

Thanks for the reply.

That link had a wealth of information, but the section on ignition had a test sequence, but no test procedures as far as I could tell. How do I test for power at the coil, specifically, what pins on the connector and should I see battery voltage? Thanks

Fahrenheit 451

Yup. Pull the kick panel and check the connector for moisture. I have heard of everything from hairdryers to compressed air used to blow out the connectors. Just make sure and pull the connectors from the ECU before doing anything like that just in case their is water/moisture in there. You don't want to make things worse by blowing it into the ECU.

FourWheel22R

Fahrenheit,

I checked the connector, and all looks well. I haven't tried blowing out the connector yet though. Does anyone know of a fuse that supplies power to the coil? Both the Chilton and the Haynes show a fuse behind the driver's kick panel labelled ECU/IGN. I can't find that fuse anywhere. Also, there is supposed to be a couple of fuses behind the glovebox that I can't seem to locate. Can anyone shed some light on this for me? Thanks.