03 avalanche code probs need help
#1
CF Beginner
Thread Starter
Join Date: Dec 2010
Location: onoville NY 14738
Posts: 1
Likes: 0
Received 0 Likes
on
0 Posts
03 avalanche code probs need help
the wonderfull check engine light came on awile ago and of coarse it time to give NY its money for a inspection so went to autozone to find out engine light problems and it gave me four code,P1153,P0154,P0300,P0449 it has 135,000 miles on it and doese have a misfire you can hear when ideling did the the hole tune up plugs,wires,fuel filter, air filter, and changed oil, i did notice when chageing plugs that 2 of them were black and the rest looked normal and the 2 black ones were across from each other in the motor, any one have any ideas were to start
Thread
Thread Starter
Forum
Replies
Last Post
gearhead8853
Avalanche
2
June 28th, 2014 10:30 AM
gearhead8853
General Tech
1
June 28th, 2014 10:29 AM
Kotabrd14
Silverado, Sierra & Fullsize Pick-ups
2
July 8th, 2013 12:42 AM
shaynel18
General Tech
2
July 24th, 2007 10:22 PM