will changing spark plugs affect the cars computer

Asked by mesboomer Mar 27, 2022 at 03:14 PM about the 2003 Dodge Durango SLT 4WD

Question type: Maintenance & Repair

does changing the spark plugs on a 2003 Dodge Durango cause any computer
adjustments

3 Answers

157,625

No, but you may notice a decrease in gas mileage for the first few thousand miles until the new plugs get broken in. Change the plug wires,distributor cap, and distributor rotor too, if equipped. Hope that helps! Jim

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