2003 mustang gt engine dies coming off freeway

Asked by Aug 16, 2015 at 01:32 AM about the 2003 Ford Mustang GT Premium Convertible

Question type: Maintenance & Repair

Randomly when I am coming off the freeway and coming to a stop my engine will die.  It starts right back up.  Power steering goes and then engine dies all within a second.  I replaced IAC, cleaned throttle body, replaced air filter, added fuel injector cleaner.  From googling I read something about a PIP sensor and a stator?  No clue where these are located.  Or the ignition coils and spark plugs need to replaced because one of them is misfiring.  Any direction on what I should try first would be greatly appreciated.  Thank you.  Also previous owner put on an aftermarket cool air intake, could this be related?

4 Answers

210,835

Cold air intake would not be an issue, only if the filter you are using is an oiled one like a K&N. Sometimes the excess oil gets onto the MAF elements and causing drivability issues. If you have a misfire, I would take care of that first, most probably the main issue here. I'd replace all the spark plugs and replace the one coil that is bad. What code/codes are you getting?

16,850

The symptoms you are describing sounds like the Toque Converter Clutch Solinoid is bad that is if your vehicle is an automatic.

It is automatic, I have not checked codes, heading to autozone today. To describe the issue further: As to not stall last night coming off the freeway I slowed down quite a bit and then coasted down the exit ramp and never stopped as I turned onto a city street (35). I let off the gas and the car basically coasted by itself uphill at a 40 and held 40 as if it were in cruise control. RPMS were above 2000 and it just coasted at the same speed until I braked to turn onto my street? Thank you very much for the quick replies, I appreciate it.

FYI: There is only 40K miles on it.

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