So, I have what appears to be a bit different issue with the P0401 Check Engine Light coming on. To hopefully make this easier, I am going to list...
Generic Check Engine Light Codes can be difficult to diagnose. Our site helps take the mystery out of automotive trouble code diagnosis and provides you the tools you need to do it yourself!
check engine light or maintaince required light? NWtacoma, Jan 6, 2010 #4 Jan 6, 2010 at 5:06 PM #5 efmugen Well-Known Member Joined: May 30, 2009 Member: #17816 Messages: 212 Gender: Male Los Angeles,CA 1996 Tacoma Single Cab could be a million of things wrong,...
1. Check Technical Service Bulletins:To diagnose the Check Engine code, the first step is to check for common known problems. Car manufacturers periodically issue Technical Service Bulletins (TSBs) that describe common problems for certain models. Some TSBs are posted on the internet; Google can h...