my 2002 f150 does not want to start when it is below 40 dgree

Asked by weatherlover Feb 02, 2016 at 10:42 AM about the 2002 Ford F-150

Question type: Maintenance & Repair

It will spin but not crank without repeated attempts when it is cold outside. It does fine when the temperature is warmer. The alternator, the battery, and the fuel filter has been changed.

8 Answers

223,685

Check the spark, it should look white, blue, if it is weak, it will be a yellow, orange color. And when is the last time it has ben gone over for a tune-up? Is it due?

It has been awhile. I also have 2 O2 sensors that need replaced according to the diagnostic check. Would that do it?

223,685

Yes, the PCM cannot adjust the air fuel mixture correctly, between that and the temperature sending unit is where the PCM gets its info in how to adjust the air fuel mixture. Do you remember the codes? I can look them up.

1 people found this helpful.

no. My son ran the codes at the local dealership and it showed 2 of the sensors were bad but I don't have that information with me here.

I knew that was the problem as to why the check engine light was on but didn't know if that would cause the cold temperature no start condition.

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