Very lost, computer??
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Joined: Sep 2002
Posts: 16
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From: Coppell
Very lost, computer??
Ok, I have an 84 F150, 300 I-6, manual transmission, no vacuum advance on my distributor. Here is one problem. My rotor and distributor blew up a few years ago and I was told the distributor on my truck is from an 85, since it is smaller than the "normal" 84 ( I was told this by some back-woods auto parts guy while stranded on the freeway). Now, everyone tells me I should have a vaccum advance on my distributor but I dont. Now to my question, is there anyway from this info if you can tell me:
1) If I have a "computer" in my truck
2) What does it do (could it help my find out wy my truck idles so hard)
3) Where is it
4) Do they make a code reader for it, and if so how does one go about using it?
Sorry for so many questions, but I keep reading about people reading their computer diagnostics and fixing their problems and I have many I need to fix and cant figure out myself.
1) If I have a "computer" in my truck
2) What does it do (could it help my find out wy my truck idles so hard)
3) Where is it
4) Do they make a code reader for it, and if so how does one go about using it?
Sorry for so many questions, but I keep reading about people reading their computer diagnostics and fixing their problems and I have many I need to fix and cant figure out myself.
Posting Guru
Joined: Jan 2001
Posts: 2,358
Likes: 3
From: Nebraska
Very lost, computer??
An 84 with a 300 *should* have a computer, especially since you said you didn't have vacuum advance. You would have the TFI-IV ignition system, which is computer controlled. The computer is located up under the dash to the right of the steering column. You should see a wiring harness coming through the firewall to it. You can buy a code reader, but all you really need to read the codes is a test light and jumper wire. This site tells how to read codes and what they mean:
http://www.dalidesign.com/hbook/index4.html
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[font color="green"]1995 F-150 Supercab XLT 4x4 302 M5OD 8' bed [/font]31x10.50's
[font color="green"]1986 F-150 4x4 300 I6 NP435 [/font]Warn hubs, DeeZee bed caps, '96 XLT bench seat, new paint job
http://www.dalidesign.com/hbook/index4.html
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[font color="green"]1995 F-150 Supercab XLT 4x4 302 M5OD 8' bed [/font]31x10.50's
[font color="green"]1986 F-150 4x4 300 I6 NP435 [/font]Warn hubs, DeeZee bed caps, '96 XLT bench seat, new paint job
Senior User
Joined: May 2002
Posts: 119
Likes: 0
From: tx
Very lost, computer??
I am not sure about an 84, But my computer for
a 1982 F-150 351w is located underneith my
driver seat. The smaller black box under the
dash to right of my steering column is my
cruise control ampflifer.
Chuck
a 1982 F-150 351w is located underneith my
driver seat. The smaller black box under the
dash to right of my steering column is my
cruise control ampflifer.
Chuck
