...system. causes A code P0420 may mean that one or more of the following has happened: Leaded fuel was used where unleaded was called for An oxygen sensor is not reading (functioning) properly The ...
...fuel system has both pressure and flow . This operation should be carried out with a fuel pressure / flow gauge . If you have not got one of those try the following : Disable the ignition system ( to ...
system operating pressure on one side and and atmospheric pressure on the other side. The function of the regulator is to maintain a constant pressure to the injectors at all times, by controlling the
fuel, and spark. since you mention fire, i assume you have no spark. disconnect any random spark plug wire and connect the end to a hei spark tester. crank engine and observe for spark. if you have no
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