2003 Jeep Liberty Q&A

2003 Jeep Liberty Question: i have to codes in my jeep

codes are P0 442 and 420 -
Answer 1
2 issues. 420 could be a bad cat. would have to confirmed witha diag. 442 is an evap code that needs a diag too. you need a shop to confirm and give you a bid. Roy -
Related Items:
I have a 03 Jeep Liberty 3.7 I just changed the Pass. side Valve cover gasket. I start it up and I get ruff idling then it cuts out.. then I get codes P1296 and Code P0301 need some help..
every time i drive my jeep the engine lite remains on.this happened before several times. I get it checked and was told it was the o2 sensors, i have changed the different sensors twice already (wa...
I HAVE TWO PROBLEMS WITH MY JEEP LIBERTY, ONE BEING THE CHECK ENGINE LIGHT CAME ON FOUR TIMES, IT WOULD USUALLY STAY ON FOR A DAY OR TWO BUT NOW IT HAS BEEN ON FOR MORE THAN A WEEK. I HAD IT TESTED...
for the passed months or so , my jeep has been having this issue ... it goes on for weeks it'll go away and come back again , jeep is in park i press the gas let it go and it'll spudder like it's b...
There is no pattern to the misfires, I can stop turn the ignition off and restart then no problems. Can go for 2 weeks no issue then have a cylinder misfire, Jeep shaking and lost of power everyday...