i am buying a catless downpipe for my cadillac ats 2.o t ...

Q: i am buying a catless downpipe for my cadillac ats 2.o t awd. will this set off any check engine lights

asked by on March 11, 2018

Purchasing a zzp catless downpipe and was curious if that would set a check engine light

My car has 73000 miles.
My car has an automatic transmission.

If you remove the catalytic converter, the check engine light will turn on and it will turn on even if you retain the downstream oxygen sensor that is on your car. Under almost all circumstances, Federal EPA requirements do not permit removal of the converter, even if the claimed use is "off road". Of course, consult with the appropriate agency in your locale to obtain full details.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

I put my car in park then tried to put in drive and it was in reverse all of gears are in reverse and wont show gear on dash.

Check to be sure that the manual lever on the top of the transmission actually moves into each "detent" position, beginning with the park position, as you move the gear shifter. In all likelihood, the manual lever is not moving,...

Rattling sound coming from rear end wheels on a 2014 Ford Edge limited with 100,000 miles

Hello, thank you for writing in. The noises need to be narrowed down further before we can give a decent diagnosis. To begin, does the vehicle make noise whenever the car is on, on just when it is moving. If...

loss of pressure on acceleration and internal oil leak via burning oil

Hi there. Typically when your car is consuming this amount of oil at an incredible rate, it's caused by an internal engine fault, such as damaged cylinder head valve guides or piston rings.Although our mobile mechanics can often complete routine...

Related articles

A Buyer’s Guide to the 2012 Cadillac CTS
The The 2012 Cadillac CTS comes with high tech features and a large amount of standard equipment when compared to its Japanese and European counterparts. The CTS is available in wagon, coupe, and sedan models to fit the needs of...
A Buyer’s Guide to the 2012 Cadillac SRX
The The 2012 Cadillac SRX is one of Cadillac’s top sellers and one of the more popular luxury crossover SUVs on the market. It has a fuel saving eco feature along with being practical and comfortable. Once the eco mode...
A Buyer's Guide to the 2012 Cadillac Escalade EXT
The 2012 Cadillac Escalade EXT has a 403-hp, 6.2-liter V8 engine, a fully configurable cargo bed, and a fuel-saving cylinder-deactivation system.