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Why is engine idle on a 1994 4Runner idling very rough even after a complete electrical tune up What should a person look for and what could be the problems?
Updated: 10/21/2022
Wiki User
∙ 17y agoBest Answer
Clean the rotor cap contacts from inside as they build up salts by time..check the injectors and the fuel pump also..timing belt check.. oxygen sensor....lastly the valves..they might need adjustments or slight repair.
Wiki User
∙ 17y agoThis answer is:
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Earn +20 ptsQ: Why is engine idle on a 1994 4Runner idling very rough even after a complete electrical tune up What should a person look for and what could be the problems?
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