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Is possible to change idle speed with GM Tech II

Possible to raise and lower idle speed using a Tech II Scanner? Look here – questions and answers from users and technicians 2003 escalade, found a TSB regarding rough idle, I need to raise and lower the idle by +/-… Continue Reading

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China GM TECH 2 does everything a real Tech 2 does, how

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I just placed my order GM Tech 2 Scanner which is the complete package with the 32 MB card from www.obd2tool.com… It still hasn’t shipped according to their website. I contacted them asking why it hasn’t shipped yet. They are quick… Continue Reading

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How To Use Tech 2 For Service Programming System

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GM Service Programming System manual: The GM Service Programming System (SPS) is a personal computer (PC) application used to reprogram vehicle electronic control modules (ECMs). The SPS application programs General Motors programmable control modules by using the GM Tech 2 Flash… Continue Reading