It's a 90 degrees out every day. The light came on and the code read- rich mixture problem. There isn't any gas smell from the air filter. I bought a new gas cap. May have to get new o2 sensors. The intake housing coupling (the accordion one)cracked and was repaired with black silicone.
Why would a cold idle speed be 1500rpm when it's hot outside? on 2000 Toyota 4Runner
by warm grey in Brunswick, GA on September 25, 2013
1 answer 2 comments
ANSWER by globalhelper , September 26, 2013
what are your eng codes?
COMMENT by warm grey , September 26, 2013
P0172 air/fuel mix system rich (bank 1) probable cause: 1.injector or fuel pressure regulator leakage 2.faulty MAF/VAF sensor 3.ECT faulty 4.Faulty H02S/AF sensor I just had valve cover gaskets and ignition coils installed. Thank You for your help.
COMMENT by globalhelper , September 26, 2013
reurn and ask if they could have left something unplugged or connected wrong