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The BMW Range
7 Series
fuel delivery 735il
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<blockquote data-quote="pussy" data-source="post: 251438" data-attributes="member: 60"><p>hi..</p><p></p><p>having problems on your car..</p><p></p><p>listed below are some of the systoms that you can try.</p><p></p><p>1. do a test like this... look for the fuel hose that return to the tank after the FUEL REGULATOR . bend it or grip it to stop the fuel..do this engine running . if the rpm goes high, than it's your fuel regulator dying or can't hold the pressure.</p><p></p><p>2. check for the ignition coil, only one next to the ecu box. very hot, than got problem... change it.</p><p></p><p>3. check also for the FUEL PUMP pressure, below than 3.5 bar, need to change the pump.</p><p></p><p>4. check also the FILTER unit, could be clog.</p><p></p><p>5. check the fuel delivery lines or hoses, could be old hoses, or clog aluminum lines due to petrol varnish..</p><p></p><p>6. check if the THROTTLE POSITION SENSOR SWITCH next to the throttle body is working, with the 'click' sound on when the throttle open.</p><p></p><p>Last of all, it could be the DARNED AIR FLOW METER !!....check that last, cos it's expensive..</p><p></p><p></p><p>best of luck ..</p><p></p><p>regards.</p></blockquote><p></p>
[QUOTE="pussy, post: 251438, member: 60"] hi.. having problems on your car.. listed below are some of the systoms that you can try. 1. do a test like this... look for the fuel hose that return to the tank after the FUEL REGULATOR . bend it or grip it to stop the fuel..do this engine running . if the rpm goes high, than it's your fuel regulator dying or can't hold the pressure. 2. check for the ignition coil, only one next to the ecu box. very hot, than got problem... change it. 3. check also for the FUEL PUMP pressure, below than 3.5 bar, need to change the pump. 4. check also the FILTER unit, could be clog. 5. check the fuel delivery lines or hoses, could be old hoses, or clog aluminum lines due to petrol varnish.. 6. check if the THROTTLE POSITION SENSOR SWITCH next to the throttle body is working, with the 'click' sound on when the throttle open. Last of all, it could be the DARNED AIR FLOW METER !!....check that last, cos it's expensive.. best of luck .. regards. [/QUOTE]
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