2005 Mustang GT. Engine Failsafe Mode - Ford Mustang Forum
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post #1 of 3 (permalink) Old 03-25-2007 Thread Starter
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Joined: Nov 2005
Location: lake Stevens, WA
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2005 Mustang GT. Engine Failsafe Mode

My 05' went to FAIL SAFE MODE. Wife was stopped in traffic waiting for bridge to close. Duration of about 10 min. It was at idle in park. I don't recall seeing check engine light.
Turned off and restarted, message cleared and car ran normally. Dealer said there was a code stored. Can't remember what it was, although it was not one familiar to them. Said they talked to engineering and were told it was some kind of advisory message. They ( engineering ) wanted to know if the car had been modded. It has none. Actually it must be the only BONE STOCK mustang on the planet.
Anyone else run into this?

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post #2 of 3 (permalink) Old 03-25-2007
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Only thing I can think of is a possible failing or sticking throttle body.

1965 Mustang Coupe
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post #3 of 3 (permalink) Old 06-01-2007
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Joined: Apr 2007
Location: San Francisco
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Engine Fail Safe

Happened to me twice on trip to San Diego. Stopped engine, restarted and all OK until return to San Francisco. Warning came on again along with check engine light now staying on. Dealer replaced throttle body. All OK.
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