2002 Chevrolet Avalanche "check codes without scanner 2004" Questions

...valve is the problem.It calls for a circut check. Recommend checking vent valve for dirt. Testing this system requires GM tools. Replacing vent valve without testing is try and see. Does this help? ...

check engine light came on whats the problom without putting an OBD-II scanner on the vehicle and pulling codes, there is no way to know. there are hundreds of codes, for many different sensors and ...

How to find Error Codes without a scanner? 2004 Sonata Your not able to do it. There's very inexpensine code readers [ under #50.] availble, Check big-box autopart and department stores.

...Check Engine Light comes on when codes are stored. You can go to an auto parts store and ask if they read them for free, buy a code scanner, or take it to a shop. Without those codes we'd just be ...

...to check the codes in the system then diagnose the condition the codes directs you to. There are many different conditions that will bring the light on. Without knowing the code you are just

...check engine light comes on without a scanner? You could buy an inexpensive code reader ($75.00) or take to the auto parts store,if they do for free. then what ? They may not know what the code is. ...

Ac or any air flow is coming out of my defroster, will not switch, how do I fix this? check for mode acuator defective, need to have it scanned for hvac codes to see - hard to do without scanner

...check it out with an engine scanner ans it had an error code 0332 (knock sensor) he cleared the code and it worked for approx 32 mile and came back on. he said that moisture may have gotten into the ...

...check engine light came on. What's the best way to fix it without spending a fortune. Take the vehicle to one of the major Auto parts stores and ask then to connect their scanner to your vehicle and ...

...codes on scanner, p1709 "undefined code check owners manual", second code is pending same code, I have a very high quality scanner and this is the first time it gave me a code without a ...