Will it hurt my truck to gut the catalytic converters
Wednesday, July 16th, 2008 AT 3:10 PM
1 Reply
2CARPRO JACK
MECHANIC
11,533 POSTS
You will have a check engine light until you replace them. The o2 sensors at the rear of the cats measure efficiency, with them gutted the PCM will set a cat efficiency code, P0420 I believe, but other than that it wont hurt anything, it will fail smog as well