I have a 94 z28. My fans are not working , the only time they work if I disconnect the MAF. When I turn on the A/C they still will not kick over. When the car get hot still nothing.

 

Is your a/c otherwise working ok? I would monitor it with a scanner to see when the fans are being commanded on and whether they are responding to that command.

 

The A/C turns on but the air is warm, never gets cold.

 

That could be why the fans don't come on with the a/c. The pressures have to reach a certain threshold. For normal fan operation, fans don't come on until 226°. If the engine is not getting that hot, then they are not going to come on.

 

So I have to get the A/C charged for the fans to come on?

 

For them to come on with the a/c, it seems. They should work normally by engine temperature.

 

Hey shoebox thank you for the info, I will get the car scanned before I make any other moves. What scan tool should I get? Autoxray snap-on etc, I notice the prices are in the hundreds.I am willing to by one just want to make the right choice.

 

Probably a blown fuse or fan relay. My fans wouldnt come on w/ the engine reached its temp, but would when the A/C was on. I got my pcm tuned and now they come on just fine. Another guy on here had the same problem. Sometimes hte PCM just glitches up, even resetting it didnt help.

 

I checked the fuses and relays and they were good.

 

Any decent scanner that fits your needs/budget will do.