Do ECU tunes work?

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Do ECU tunes work?

Regarding ECU tune-ups. Do they increase the power/ torque/ mpg as stated? Are they worth the investment?

Asked on 18 September 2012 by jeff1235

Answered by Honest John

Yes they can do. But they disqualify the car's warranty and you have to disclose them to your insurer who will probably double your premium.

Tags: engine chips tuning

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