1995 chevy blazer 4x4, 4.3l


I have some error codes from autozone, they printed them for me.


However, Id like to understand better and know what they really mean.


Id like to know where to look, what to look for and what I need to replace.




pictures, diagram, please if you have them.


thanks.




error codes-


p1441, says failed canister purge solenoid, where is it, what it is ?


and fuel tank pressure ftp sensor.


p0503- failed speed sensor, drive gear mechanical fault


p0401- egr valve


p0135, heater condition, oxygen sensor , where is this located ?




p0141, bank 1, sensor 2.


hope you can help me.

 

Try the search function. There are many posts on how to resolve and locate those problems.





Here is a starting point: https://blazerforum.com/forum/tech-a...agnosis-26408/