F150 will start but wont run

Asked by GuruD9GTMV Oct 21, 2023 at 12:51 PM about the 2003 Ford F-150 Lariat Crew Cab 4WD SB

Question type: Maintenance & Repair

2003 F150 Lariat. Starts, runs a minute stops. Dosen't run
long enough to get code. Start couple of times battery  dies.

5 Answers

40,015

You can get codes with the key on engine off , things need to be tested if batt is being drained that quick Check all relays fuses

1 people found this helpful.
310,255

Could be a security issue, some of the older unit would let it run a bit before shutting it down. If the battery is weak then that could cause it. Have the battery load tested.

160

Have the alternator and battery tested, on these newer 2000 and up vehicles most all problems start with electrical signals to the computer. I had the same problem and replaced the alternator because it was an original part. There were no codes but the customer didn't notice the alternator gauge. New alternator solved all the problems runs like a champ now.

1 people found this helpful.
40,015

Bring a good battery to auto zoo or the like and they'll tell you it's no good just to sell more batteries , They can not be trusted . I'm not sure who can be trusted

2 people found this helpful.
310,255

That is why you get an independent shop that you trust too do little things also. If your a good customer sometimes they will just do it cause they know you will be back.

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