Title: BAD CHOICE FOR MY SILVERADO!
Product review: These spark plugs worked for about 3 weeks - then I started getting a Check Engine light with a DTC of "Multiple/Random Cylinder Misfires". I was also noticing real rough idling. I thought I had bought bad gas but the problem didn't clear up after several tanks of gas and a bottle of injector cleaner.I replaced the E3 spark plugs with Bosch Platinum+2 sparkplugs and my truck is happy. I cleared the DTC and tried to make the engine misfire (rapid acceleration, climbing hills, etc) and couldn't do it.No more E3 sparkplugs for my truck!
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