Error Code 43
#1
Error Code 43
Hey everyone I have a 95 Sierra that I am having trouble with, it has a 5.7L engine it. Error code 43 keeps coming up, I have replace the knock sensor, the engine temp sensor and the engine temp sender. The code doesn't come up all the time just on occasions but the truck lacks power and uses more gas than normal.
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Doug D
Chevy Silverado/ GMC Sierra Forum
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07-23-2011 05:27 PM