Chevron says its new Techron cleans GDI injectors better, plus new rewards make switching easier.
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Why mechanics keep seeing early failures in direct-injection engines
Direct-injection engines were introduced with a promise that sounded ideal: more power, better fuel efficiency, and cleaner ...
We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Caroline Mullen Caroline Mullen is a writer focused on cleaning and organizing ...
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