Re: Does trouble code mean automatic check engine light on?
My blazer does something similar to that. I had a friend check it with his scanning equiptment and found out mine needs a O2 sensor. It could be something for you to look into at least...
Chuck
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90 Blazer Silverado 350w/ 700R4 and 32" Kelly's
"I am a bomb technician. If you see me running try to keep up!"
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