Close
QUESTIONS

RepairPal is your advocate for car care advice and guidance

Q: Emmission test revealed problem code p0121. What is it and how much to fix on 2007 Chevrolet Cobalt

Check engine light comes and goes.
Get a Repair Estimate
Guaranteed by certified locations nationwide. Learn more
RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
Didn't find what you were looking for?