2006 Mustang GT-Starting Hesitation - Ford Mustang Forum
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post #1 of 5 (permalink) Old 09-14-2010 Thread Starter
NarfZot's Avatar
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2006 Mustang GT-Starting Hesitation

I have a 2006 GT automatic with no mods and lately it's been having problems when I crank the engine.

When I start the engine, I hear a grinding noise from the dashboard/engine bay near the power steering fluid area. Also, the starter will crank about 0.5-1 second longer than normal to start the engine. Also sometimes the radio will completely reset as if it lost power. However, the engine throttle and transmission shifting is completely normal and doesn't show signs of the computer losing power.

I'm not sure if this is related but I also have problems with the passenger window auto up function always needing to be reset by holding it up 2 secs a couple times a week. And the passenger airbag off light keeps going off when I have a girl (95 lbs) in the seat. It will intermittently turn on and off even if she stays completely still. I've sat in it and it did the same thing (I'm 150 lbs). I'm not sure if this is all related to the starter problem.

I replaced the alternator due to P340 CEL about 7 months ago. The battery died about 2.5 years ago due to not driving it for a month. I did not replace it and simply maintain it once every few weeks with a trickle charger to top it off.

This is a lot of info, thanks for any help!!

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post #2 of 5 (permalink) Old 09-14-2010
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Your second battery could be croaking, Loose wire on starter, bad pos connection, loose pos connection in the main fuse box. Loose ground.
As far as the air bag light, have you taken it in to get the air bag reprogrammed?

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post #3 of 5 (permalink) Old 09-14-2010 Thread Starter
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It's actually my first battery, I did not replace it after it died, just jump started it and charged it. I'll check the connections tonight. I'm curious as to why it would buzz near the dash when I start it.

I took it in over 1 year ago for the passenger airbag reprogram recall but the light only started having problems about 3 months ago.
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post #4 of 5 (permalink) Old 09-14-2010
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I would suspect you have a dead cell or two in that battery.

1965 Mustang Coupe
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post #5 of 5 (permalink) Old 09-23-2010 Thread Starter
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Joined: May 2005
Location: So Cal
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Quick update... I changed the battery like stl suggested and the starting hesitation is gone! Thanks stl!

However, the problem with the passenger airbag light remains.
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