I have a 2009 malibu with the 2.4 4cyl engine. I've gotten the 420 code again. I replaced oxygen sensors but still receive the 420 code. The kicker is I've replaced the exhaust manifold/cat 2 times already. The car runs perfect. Doesn't burn oil, no coolant leakage nothing except this damn cat...
is there any good soul here who can help me find the original part numbers for these parts:
Exhaust manifolds (maybe OEM 12630741)
10x Studs (manifolds for the engine).
10x Nuts (manifolds to the engine)
I have a 2012 Chevrolet Malibu (gen 8) 2.4l LTZ.
Does anyone have the ability to...
So i have a 2016 Malibu premier. Basically i have a stock exhaust system except for i did resonator Delete and put on some flow master super ten series mufflers it’s loud right now. I was wondering if i un hook the exhaust from the cat (requires you to un screw a few bolts) and push it off to...
Is it possible to swap a exhaust manifold/cat conv. From a 2009 malibu 2.4 with 4speed trans with an exhaust manifold and catalytic converter from a 2011 malibu 2.4 with 6 speed trans? Had to replace mine twice in less than a year and it's costing me a fortune.