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Message: <blockquote data-quote="Sayed A Sani" data-source="post: 30410" data-attributes="member: 21521"><p>Guys,My x5 recently started to experience difficulty to re-start. What happened was when I stopped the car and 'off' it, leave it for 15 minutes or more, it will not start after the ignition key is switch on. The starter is seem to be working but no ignition occurred. I had changed the fuel pump, fuel filter and crank shaft sensor but nothing helps. The spark plugs are still in good condition (bought a new set as well). One mechanic suggesting the air flow sensor is faulty. It is that so? Faulty only when the engine is still hot? The car can only be started (if I ma lucky) after some 10 to 15 times re-start. On the other hand the car will start with problem if it is left for long period of time until all system is cool down.Anyone have same problem? or it is true the air flow sensor?Help pleasess...</p></blockquote><p></p>