Engine cranks starts for a second then cuts off

Asked by GuruPYPP1 Jan 15, 2020 at 11:09 PM about the 2001 Ford F-150

Question type: Maintenance & Repair

Hi, there. I can hear the fuel pump turn on and I've
disconnected the mass air flow sensor  but It won't
turn on. It turns ovwr starts for a second then turns  
off. I've recently changed the crankshaft position
sensor and the fuel filter within the past 6 months.
Please help

2 Answers
103,935

KenF answered 5 years ago

May want to recheck crank sensor (and cam sensor too), you can test them with a multimeter as a way of confirming them good or bad, with modern cars no input from crank sensor means no start.

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