Crossword clues for the word: ECOTEC The word ECOTEC has appeared as an answer to at least 3 crossword clues on different crossword puzzles. Crossword clues for ECOTEC Showing 1 to 3 of 3 results Clue(s) '02 GM 4-cyl. DOHC engine '03 GM 4-cyl. engine GM's '03 2.2 litre DOHC engine