my 2010 mustang GT will not start when outside temp is in the mid 90s or hotter. it has also had times where it is running and then acts like it is only running on half of the cylinders and just dies

Asked by Aug 10, 2017 at 03:01 PM about the 2010 Ford Mustang GT

Question type: Maintenance & Repair

car has been in and out of the ford dealership in Carrolton and has already had the fuel pump changed along with other misc. items and it just does the same thing when the temperature goes above 94 +  or if its really sunny with little air flow

4 Answers

845

May be a bad mass air sensor

1 of 1 people found this helpful.
57,805

Perhaps a heat sensitive relay?

10

Bad fuel injectors or fuel rail. Had a Miata did the same thing.

1 of 1 people found this helpful.
57,805

It would be very rare for more than a single fuel injector fail at the same time.

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