I have a 2002 f150 when weather turns cold anti theft won't let truck start sometimes. Try later will start right up. any ideas again

Asked by Dec 13, 2013 at 12:32 AM about the Ford F-150

Question type: Maintenance & Repair

2 Answers

yes...under voltage condition exists to the ignition relay or fuel pump relay...operational relays do not like the cold temps and the battery had better be NEW because the tin/antimony alloy batteries (NO LEAD ANYMORE) will stop taking a charge ten percent per year...five is old especially in hard service in a cold climate~....NEW BATTERY...clean 1/0 battery/chassis connection with a wirebrush...mmmmmok?~

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My 2001 is doing the exact same thing. It got below 10 this week theft was keeping it from starting. I was thinking of heating the cab or something

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