Question about 2004 Volkswagen Jetta

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MAF Enhancer Thanks for your solution on the fuse, you were dead on. I guess the resistor needs to be attached to the red wire right? Why is there a return signal? Should I put an extender ring on the Oxygen sensor as well. i want to maximize my gas mileage with this HHO generator. Thanks again.

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As in any electronic circuit there has to be a path to and from a componant. the ecm sends a signal along the red wire it will have a certain voltage parameter. the ecm is expecting a return signal of the same voltage if it doesn't get it it will either throw a code if there is no return voltage value or if there is but it is outside the parameters then it will adjust to compensate. there is no need for such an extender ring. the resister should be on the red(imput signal). please rate the solution.. thanks

Posted on Sep 21, 2008

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