Thank you for your reply.
I no longer remember the codes given me by the Ford dealership 60000 miles ago. I tried to get Auto-Zone to read the codes, when I got back from Colorado, but they say my truck has a computer plug that does not match anything they have. Also, I have purchased two different "Code Readers" from different sources and neither of them would match the plug on my truck. I was told that Mazda intentionally put this plug on because Ford wanted to have the only reader that would fit.
I know this isn't a help, but I'm kind of "in a pickle".
There is one other thing that I have noticed the truck doing but I don't know if it's related or not, and I don't remember if it started doing this after the check engine light came on or not. It ONLY does this in the hot summer time (July or August) and after the truck warms up by driving it 8 or 10 miles with the air-conditioning on. When the engine idles down below 1500 RPM I hear a very low pitched "whistling" sound -- more like a "moaning" sound. The slower the engine idles the louder the moan. I raised the hood and it was coming from the air input duct work into the top of the engine. It's almost like a "vibration" because you can lay your hand on the duct work and feel it. Tapping the accelerator pedal will stop it until the engine idles down again. Naturally, during the normal course of driving the engine is usually above 1500 RPM and I never hear it -- only at stop signs or such.
Can that be related?
Saturday, June 7th, 2008 AT 4:41 PM