Close
QUESTIONS

RepairPal is your advocate for car care advice and guidance

Q: keep failing NOX new spark plugs and oil change and NOX went higher on 2002 Dodge Stratus

also new thermostat
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
You need to put the same spark plugs that were from initial build. Champion any other will cause problems.
Didn't find what you were looking for?