wifes truck is drivin my nuts
by, 07-24-2008 at 06:10 PM (948 Views)
ok heres the deal we gotta 2004 trail blazer ls with the 4.2 liter and it has 32,350 on it. we bought it used in Jan 2006 when it only had 21,200 on it. my wife has always wanted one.
we had the truck 10 months and the check engine light came on...no biggie just an O2 sensor(upstream).dealership replaced. light out.
now, fast forward to june 27 2008.....check engine light on...O2 sensor (downstream). i replaced and light goes out.
july 3 2008 check engine light on...O2 sensor (upstream). i replaced and light goes out
currently the light has come back on after a day and a half.
and the codes read as O2 sensors
see why its drivin me nuts.???
any advice please send to me asap
thanks a million