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Old 02-07-2010, 11:36 PM
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Join Date: Aug 2008
Posts: 8
Default 2004 Santa Fe 3.5 Won;t hold Idle

Hi,

Need some input on a recent problem that popped up.

After about 2 hours driving on the freeway to home this evening, I stopped the car at a traffic light and the card died. I tried to re-start but wouldn't start, hold idle.

So, I started it again, this time with a bit of throttle and it started, but wouldn't hold idle without some throttle applied.

Anyone with experience on this, guess?

Thanks
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Old 02-09-2010, 08:37 PM
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Join Date: Dec 2008
Location: in front of the computer, why??
Posts: 38
Default

will it run at wide open throttle?? if so, then mash on the gas up to rev limiter (or even more if you wish, i won't tell...). you may have dislodged a piece of carbon into the egr system from the long cruise. this sort of thing can happen from time to time. i suggest a top engine cleaning, or some sort of fuel injection service (no, not the stp mechanic in a can pour it in the gastank and everything will be fine stuff). i suggest a 'motor-vac' by snap on. there are several service centers that use these, or the b&g units, either one will give you a far better service than the bottles of mystery oil on the shelves in the stores.

if it doesn't run at wide open throttle, then you may have other issues, but i think it will be carbon. you chould also have the throttle plate cleaned as well.

hope this helps.


df
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Old 02-09-2010, 08:37 PM
 
 
 
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2004, 35, 390, driving, fast, fe, ford, fuel, hold, hyundai, idle, long, low, santa, time, v6


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