06 mustang will start after replacing battery and alternator but will not take any gas

Asked by Jun 27, 2017 at 11:24 PM about the 2006 Ford Mustang

Question type: Maintenance & Repair

check charging system light came on and car died. I replaced battery and alternator. Know car will start but had a miss in it and will not take any gas. It has an wrench symbol showing up know. it is like it is in a safe mode or something.

1 Answer

105,255

Yep, most likely corrupted the factory presets when you removed the main power, anything after 2005 and even some 2005 require a saver tool that plugs into the OBD2 port, without it you loose all kinds of things. Your best bet is to have it towed to a Ford dealer and they can reflash the system and bring the programming back, plus you will get any software updates that might be avaliable for you vehicle. In my area it runs a hundred bucks for a reflash. HTH

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