trifecta
09-17-2015, 02:25 AM
#11
Deceased
Join Date: 06-30-2010
Location: Kannapolis NC
Posts: 25,739
9 times out of 10, our old friend the P0121 OBD II Code indicates a throttle body in need of a cleaning.
Give this thread a read, and remember, HHR throttle bodies are fragile devils which will punish any cleaning attempts that are too agressive.
https://www.chevyhhr.net/forums/main...leaning-48936/
Give this thread a read, and remember, HHR throttle bodies are fragile devils which will punish any cleaning attempts that are too agressive.
https://www.chevyhhr.net/forums/main...leaning-48936/
Thread
Thread Starter
Forum
Replies
Last Post
TomsHHR
2.0L Performance Tech
12
05-04-2009 06:55 PM