would the catalytic converter call the check engine to come on on 2006 GMC Envoy

i charge my spark plugs

by in Slidell, LA on April 15, 2013
Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
2 answers 1 comment
ANSWER by , April 15, 2013
Yes , a failed converter would. Recommend having the CAUSE of the failure diagnosed first before wasting money on a converter and still having problems. Post codes for further advice.
COMMENT by , April 15, 2013
rec. fuel system clean. ethanol treatment to 1 tank premium fuel. ethanol blend in fuel causes build up in fuel system, combustion chambers and exhaust system. this build up can trip sensors.
ANSWER by , April 16, 2013
have codes scanned and post so we can adv, could also be failed o2 sensor