code 43
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From: Iowa
Car: 91 Formula
Engine: 305
Transmission: 700R4
Axle/Gears: 3.23
code 43
What does a code 43 mean. I am haveing high idle problems. I did check my tps it reads 2.5 at idle. iac is new. Someone told me 43 means I have it timed incorrectly. Thanks Jason
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Junior Member
Joined: Jan 2006
Posts: 24
Likes: 0
From: Iowa
Car: 91 Formula
Engine: 305
Transmission: 700R4
Axle/Gears: 3.23
Ya I know I think its a litle high. I was just wondering it that was why I have the 43 code. Also I am getting shocked every time I touch the wire above the coil. I put a new wire on and same thing. That gets pretty annoying. I don't think you should get a shock from touching a good wire. Is there something wrong with my coil??
Last edited by jstoll; Apr 24, 2006 at 01:06 PM.
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From: Avatar: My 34' 1989 Scarab III w/ twin 454's (502's Started!)
Car: 1989 Wellcraft Scarab III
Engine: Twin 454's
Axle/Gears: Twin Mercruiser Bravo I's
I've never had to deal with a code 43 personally, but if IIRC code 43 is a poor electrical connection/short. ECM/knock sensor/ESC module. Double check as I may not remember correctly...
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Junior Member
Joined: Jan 2006
Posts: 24
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From: Iowa
Car: 91 Formula
Engine: 305
Transmission: 700R4
Axle/Gears: 3.23
Found the problem. I had to laugh at myself for a while about this one. I have the secondary fan and knock connectors switched around. I figured it out after reading other threads. Someone said if you ground your fan conn. the fan should turn on with ignition on. It did. Also I found that the fan conn. reads 12v and the knock conn. reads about 5v.
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