I have had this scanner for about 2 years and it has been good to me. i left one day and turned my scanner off and the next day i went to turn it on and nothing happpend. please help
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You need an OBD2 scanner to read fault codes stored and indicated by the Check Engine Light. Entry level scanners are available for around $20-$30 at most auto parts retailers.
The codes merely identify the problem area and are not a diagnosis. Further troubleshooting is always necessary, else it is only guessing and parts swapping which may cause more problems than solved.
use a fault scanner to reset the CPU program If everything is good it should work . if not the fault codes will reappear and you will know what to fix.
flassed less engine power wth?????????
Flashed reduced engine power ! Electronic throttle control problem ! Your best bet ,take it to a GM dealer , buick , cadillac , GMC . You do not have diagnostic test equipment or knowledge to even diagnose this.
When you turn the key front. Listen for the fuel pump to prime. It should sound like a low humming noise that lasts about 3 seconds. If it does then check for spark by pulling one of our sparkplug wires and putting an extra spark plug in it. Place the end of the wire down somewhere safe and crank the motor. If you can't seek spark in the plug, it is most likely your coil failing. So, check fuel pump and fuel pump relays first, then spark. Good Luck.
when it comes to DC electricity like on automobiles. DC current wants a really good connection. check and make sure the wires at the alternator you just installed are tight. check the tightness of the battery cable connections at the battery. check the tightness of the main cable that goes straight to the starter. small things like the dome lights ect.... will still work many times when the connection is not so good, but big current items like the starter need a good hard connection to work. sometimes when the connection is sub par, the starter will just make a clicking noise but wont turn over the engine.
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