Code 43 after new plugs and wire's? HELP
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Junior Member
Joined: Apr 2004
Posts: 20
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From: BULLDAWG COUNTRY
Car: 1989 TRANS AM
Engine: 305 TPI
Code 43 after new plugs and wire's? HELP
I just put new plugs and wires on my '89 TA 305TPI. I felt the improvement in power immediatley. Then, I got to operating temp and it started to shimmy or vibrate. It may be missing, I really can't pin-point it. Anyway, before I got back to the house, the SES light came on. I got a 43 code. Do I need to replace the ESC module or look at something else? 
TGO Supporter
Joined: Sep 2003
Posts: 6,127
Likes: 11
From: conway, s.c.
Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
Hello TADave,
No, it doesn't necessarily mean that you have to change the ESC module and yes there are several other items you can do. Check out this chart and work from it.
No, it doesn't necessarily mean that you have to change the ESC module and yes there are several other items you can do. Check out this chart and work from it.
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litemupp
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Aug 23, 2015 10:09 PM