another question, i changed the IAC and my serp belt today and theres a pretty loud squeeking coming some where from around the pullys. Any thoughts? It sounds like its coming from the fan but its kinda hard to tell. Also, the check engine light has started to come on alot and i have no idea why. I got the codes checked and they told me to replace the IAC which i did. The check engine light stopped coming on as much but it still comes on some times when i accelerate kinda fast. And it stays on till i turn my truck off and turn it back on
yo; here is my reply to your other post
http://broncozone.com/forums/index.php?showtopic=12886
Squeaking:
Ck for nosie source w/garden hose section or cardbd gift wrap tube, etc.
guesses;
Serpentine Tensioner & Idler pulley (common Ford probs)
Some Info; unfortunately some manuals do not cover all the aspects of a self test using a jumper wire on non OBD II Broncos
Self Test for Codes;
Self Test - & Connector Location & pics, Bronco & Ford BEST PROCESS WITH DIAGRAMS! Source: by Ryan M (Fireguy50) at fordfuelinjection.com
http://fordfuelinjection.com/?p=13
and;
Self Test - A technician that is unfamiliar with the EEC Self-Test can mistakenly believe that continuous Memory codes are not present when they really are. He may run KOER Self-Test and get a pass code (111) and not realize that KOEO Self-Test must be run to receive any Continuous Memory codes. He may run KOEO Self-Test while counting MIL flashes and misinterpret the repeated hard fault pass code (111) to mean that Continuous Memory does not contain any codes. The engine temperature must be greater than 50
