TAke a paper clip or other wire and short "A"&"B" terminals together on the aldl test connector under the dash. Count the flashes of the check engine light with the ignition on. One flash pause then 2 flashes is a code 12 and means the system is working. Each code wil repeat 3 times, then the next one will show.
You can't. It requires a scanner to read them.
That requires an OBDII engine scanner to read the transmission codes.
To tell you to read the diagnostic codes.
The idle speed is read by the Engine Control Module(computer) and adjusted as necessary by use of the idle air control in conjunction with the throttle position sensor. There is no separate idle sensor as such.
YOU CAN"T. Engine must be scanned
Many auto parts stores will read the codes for you for no cost if you purchase the parts needed for repairs from them.
The OBD2 system will not BLINK codes for you. It requires a engine scanner to read the codes. HAVE ENGINE SCANED. Some parts stores will do that for free.
96 on up you need a code scanner,you can take it to auto zone to have the codes read ,free of charge.
everyone should have a manual for their vehicle, and the library should have a professional shop manual available in the reference section for FREE to make copies of...read up and fix like a pro!! :) Dave
There's over 100 Chevy codes that will make it come on-you need to have code read
It takes a scanner to read the codes.
No it will not. You must have an OBDII engine scanner to read the codes. Some parts stores will read them free of charge. Advance auto parts is 1 that will.