New Cats, Coils, Plugs - P0430

[soccerplayer2007]

Hey LvC,

Had my cats clog up on me last week, which was a bit of a surprise given I hadn't detected any misfires or any CEL. Oh well, I know the drill. Head off to the Only Coil Thread Needed thread for a refresher on what to do. Car goes in the shop for new cats, I get the car back and replace coils and plugs Tuesday night. Then tonight while driving I get a P0430 code.

What should I be looking at now? A search suggests possible bad oxygen sensors. If so, is their a certain brand that's recommend (looking at Rock Auto)? I'll likely take the car to the shop tomorrow and see what they say considering they just worked on it.

Thanks!

 

[1LoudLS]

how many miles? it may be a O2 sensor.

but what brand cat did you use?

could switch the 02 sensor from left to right to see if the code stays on that side (cats) or changes and follows a bad sensor.

 

[soccerplayer2007]

Not sure what brand the shop used.

2003 with 190,000+ miles.

I'll try switching the sensors this weekend and see what that tells me.

 

[1LoudLS]

at almost 200k miles, the sensors are probably long overdue for a change anyway...

the reason I asked about the brand, is that a lot of people have had CELs with brand new non OEM cats. and most people will try the non OEM cats due to having OEM cats installed can run a grand or two...