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Title: Not So Good!
Review: Purchased two sets of these plugs. My husband put them in the next day and the car "Check Engine" light came on and the car could barely move in first or second gear. It would just sputter and it was a very dangerous situation as I could not pull out into traffic without fear of being hit. We then swapped the plugs back to the original plugs that had been in my car for 10 years and the car ran perfectly. We then put in two plugs at a time and neither set worked - but didn't actually make the check engine light come on. Again back to the original plugs and the car ran great.I then called the manufacturer and received some of the worst customer service ever. They will only let you leave a message and when they finally call you back - get this - you are supposed to pay to ship the items back and if they test them and the plugs do not meet their quality standards - then they will send you the amount for the plugs. Nothing like making it difficult on a customer that is already frustrated!
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