Re: Burning too much gas and no check engine light. HELP!!
You also need to make sure you gap the plugs properly.
They do not come pre-gapped in the box, and the wrong gap will have a significant impact on mileage and performance.
'89 EB BroncoII, 2" body/3" suspension lift by Duff. D35 front/8.8 rear swap, Camcraft cam, Pacesetter headers, 4.0 radiator,P235 75 15 Michellin LTX