Land Rover 2001 problem?
(2011-05-05 14:20:11) 1. Says: car has no power, checked codes PO171 and 174 but need a manual or info as to where the fuel filter, gasoline fuel filter, regulator are - can any of you give me a solution?2. Says: most fuel filter are all along the frame u crawl under vehicle and its on the inside of frame with the gas line.. but anyway Those codes mean your engine is running too lean on both sides. That could be a result of a vacuum leak at the intake, a bad mass air sensor, a weak fuel pump, or some other issue that's making your engine lean.IT DOES NOT MEAN THE o2 SENSORS ARE BAD but it is a possibility as well... fuel/air mixture which is computer controled by sensors.. ur fault is its too lean.. u can check for leaks and 02 sensor functioning properly and then check fuel pressure too. there is a fuel filter on the fuel pump as well.3. Says: Buy American
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