1994 ranger cold
Cargo Master
Joined: Feb 2002
Posts: 2,414
Likes: 22
From: Tucson USA
I run a disconnected IAC and np you should not have idle at 1500. Thats why I disconnected mine (tried to replace 2x same results) Went to a shop and we spent about 3 hrs going thru codes and wiring books and finally it came out that there is a broken wire in the IAC circuit someplace. No I do not get an CE light have been running it this way for 100K or so, I also have the cooling issue but I just put a paperbag down in front of the rad so I dont have to take the grill apart. Mine would be hot till I hit a cold place while driving and it would drop down. Thats with an old as well as a new Tstat. Yes flush and put in new to be safe, I dont know about the core plugging as the heater will drive you out, mainly run it at the blue-red area after it heats up. truck currently has 250K on it, did replace the radiator and the water pump at around 180K (slight rad leak). Also I had guage probs and had to replace the sender and then later had to tighten the clip on it but other than that no problems.
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Freshman User
Joined: Sep 2007
Posts: 44
Likes: 0
From: Lowe Farm, Manitoba
Originally Posted by Hank85713
I run a disconnected IAC and np you should not have idle at 1500. Thats why I disconnected mine (tried to replace 2x same results) Went to a shop and we spent about 3 hrs going thru codes and wiring books and finally it came out that there is a broken wire in the IAC circuit someplace. No I do not get an CE light have been running it this way for 100K or so, I also have the cooling issue but I just put a paperbag down in front of the rad so I dont have to take the grill apart. Mine would be hot till I hit a cold place while driving and it would drop down. Thats with an old as well as a new Tstat. Yes flush and put in new to be safe, I dont know about the core plugging as the heater will drive you out, mainly run it at the blue-red area after it heats up. truck currently has 250K on it, did replace the radiator and the water pump at around 180K (slight rad leak). Also I had guage probs and had to replace the sender and then later had to tighten the clip on it but other than that no problems.
Lead Driver
Joined: Jul 2007
Posts: 7,868
Likes: 9
From: Rhode Island
Originally Posted by Hank85713
I run a disconnected IAC and np you should not have idle at 1500. Thats why I disconnected mine (tried to replace 2x same results) Went to a shop and we spent about 3 hrs going thru codes and wiring books and finally it came out that there is a broken wire in the IAC circuit someplace. No I do not get an CE light have been running it this way for 100K or so, I also have the cooling issue but I just put a paperbag down in front of the rad so I dont have to take the grill apart. Mine would be hot till I hit a cold place while driving and it would drop down. Thats with an old as well as a new Tstat. Yes flush and put in new to be safe, I dont know about the core plugging as the heater will drive you out, mainly run it at the blue-red area after it heats up. truck currently has 250K on it, did replace the radiator and the water pump at around 180K (slight rad leak). Also I had guage probs and had to replace the sender and then later had to tighten the clip on it but other than that no problems.
Cargo Master
Joined: Feb 2002
Posts: 2,414
Likes: 22
From: Tucson USA
I ran the throttle screw in till it idles ar around 800-1000 rpm and it will drop to 750 or so with the ac on. just hold the throttle open a little to see if it stays runnin when you unplug, and if it does tun the screw in some.
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Freshman User
Joined: Sep 2007
Posts: 44
Likes: 0
From: Lowe Farm, Manitoba
finally got reader
I finally got my code reader and so far i get codes 522, 565, and 157. i am a littel confused about 522 because i didn't have my truck in gear for any of the tests. would these codes give me the trouble with the engine? what would it do?
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