I HAD A CODE PO302 THE TRUCK WAS RUNNING LIKE CRAP IT WOULDNT GO OVER 30 MPH. I CHANGED ALL THE PLUGS THE BAD COIL PACK AND THE TRUCK RAN A LITTLE BETTER BUT WHEN THE RPM'S GET TO ABOUT 2000 THE TRUCK STARTS TO BOGG DOWN AND LOSE POWER ANY IDEAS?
OH 2001 ML430
OH 2001 ML430