Re: My 4.0 is getting REALLY bad gas mileage!
i cant remember if the 99 is a DIS ignition system or a distributor type system... i remember i had a dodge with the same problem, i had a O2 sensor lean condition.. but it took a snap on machanic computer with an ocilliscope to rotate the distributor back to the normal position. if the timing on the distributor gets off it will mess up everything including fuel mileage
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2009 ford ranger Sport 4.0L V6/2 8" red hot glasspacks swept side before rear tire/2 catco high flow cats/K&N 77 series intake system/BFG all terrain 31x10.5x15 tires/Procomp 98 series rock crawler black rims/westin black sportsman brush guard/6-6'' Hella 500FF lights/black rhinoliner/Bilstein 5100 shocks/uniden 68LTW CB radio/Fx4 skid plates/cranked Tbars/autometer vaccum, Camper shell with thule roof rack/ belltech shackles/Pioneer headunit with pioneer speakers with Kicker 10'' sub
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