I put a new 350 in My 86 Iroc 3 weeks ago and
I am trying to work all the bugs out. This is a new code for me but once in a while I get this code 43. I run new taylor spiral pro's,
new MSD cap and low resistance button, a MSD digital 6 and stock distributor with new plugs. what would cause this?

What size ACDelco plugs should i use with the 350?

thanks

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Jamie James
1986 Iroc-Z 305 TPI
1.90 60 ft 14.15@ 95.75
1.74 60 ft 12.84@107.75 on the bottle.
My IROC:
http://personal.nbnet.nb.ca/jjames/homepage.htm

 

It's either a bad knock sensor, bad wire, or bad ESC module. Try bypassing the KS by using a 3.9k resistor in its place, if the problem goes away your sensor is bad. If it doesn't, one of the others is bad.
...ed

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Ed Maher - Moderator @ The Carb Board
92 Z28 Convertible - Quasar blue / Tan top
LB9 4L60 GU2 G80 - stock, soon to be sleeper
-=ICON Motorsports=-

- Definitely prototypes, high powered mutants of some kind. Too weird to live, too cool to die

[This message has been edited by Ed Maher (edited June 20, 2001).]

 

Thanks Ed

Much appreciated.

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Jamie James
1986 Iroc-Z 305 TPI
1.90 60 ft 14.15@ 95.75
1.74 60 ft 12.84@107.75 on the bottle.
My IROC:
http://personal.nbnet.nb.ca/jjames/homepage.htm