the CEL turned on so I pulled the codes, 12 72 what is it and is it hard to fix?

 

Code 72 is a bad catalytic converter. Check the downstream O2 wiring.

 

alright gunna go check it out ina few any idea what a 12 is?

 

CODE 12 Problem with battery connection.Direct battery input to pcm disconnected within the last 50 ignition key-on cycles.
CODE 72 Catalytic converter efficiency failure.Catalyst efficiency below required level.

 

hmm guess ill go check that too, looked at the 02 sensor and all the wiring all the way up to the intake manifold, everything appeared to be plugged in and checked the groud wires. after it cools down abit ill unplug and re plugin the 02 wiring, is it possible to be a bad 02 sensor? Its a new exhaust system so I highly doubt its a bad cat. and for the code 12 just check the PCM plugins and battery cables? fuses?

 

hey quick just a thought since you said you were going to get an underdrive pully. GET THE BLUEPOINT PULLER WITH THE 3 DIFFRENT LEGNTH RODS. this will make the job eaiser by far. as for the belts they have them listed on modern which sizes, however the one that go on the Acc, is a bit small and the one on the alternater i think is a bit big but works. good luck

 

ya a UDP and a performance valve body will be my next mods when i get caught up on repairs and a tune up. I checked all the plugins nothing is unplugged of seems loose.

buttt while I was under there checking stuff out I noticed my CAI hose is busted, its been sucked unfiltered air for who knows how long... that could be the reason for many of my bogging down and crunching sound problems and everything else. I just hope I didn't ruin the engine. any thoughts?

 

Well the chance that tiny rocks and dust have gone through out your engine, they could mess with your valve seats, score you walls, basically not a good scene.

If its still running fine, clamp it back on and hope for the best.

 

Ya but I'm guessing thats why my CEL came on[:@] oh well I guess ill have to go to the dam mechanics