1999 Hyundai Accent - Hyundai Forums : Hyundai Forum
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post #1 of 3 (permalink) Old 10-12-2006, 09:10 PM Thread Starter
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I've been gettin this stumbling since the summer,Now that it has cooled off outside the car runs solid for about 5 minutes,Then once I get to the next street it stumbles and putters almost like it wants to stall but never does,I have changed the plugs and wires and just recently checked the plugs to find some kinda of buildup on the flat circular part of the plugs all 4 plugs looked the same..A friend of mine is a mechanic and hooked his diagnostic code finder to it,only to come up with NO codes or faults found,but the check engine light has been on for months now and blinks when the car stumbles as Im giving it gas.. Only thing we could think of is OXYGEN SENSORS... Also from time to time the TRANS seems to get stuck in 2nd gear,Which Im blaming the stumbling on..Other symptom is it stumbles when under a load..like goin uphill etc..But no knocking sound like bad gas or timing...Any Ideas other then the O2 sensors? Thanks
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post #2 of 3 (permalink) Old 01-08-2007, 11:32 AM
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This sounds a bit like the problem im experiencing. Did you get a solution to it?
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post #3 of 3 (permalink) Old 07-19-2007, 01:15 AM
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Okay, I have a Hyundai Accent 2000.
I was just experiencing the same issue.
My car would run fine, for about 10 mins. As soon as it warmed up, it would start to miss fire and eventually stall. Mind you, all of this happened very quickly, i'm talking within seconds.
Once the car had stalled, i lost everythign. It was a heavy bugger to push with no power steering let me tell you
In short, the issue was the Crank Angle Sensor.
You'll be able to find the crank sensor in the side of the engine block, behind and below the exhaust manifold, near the transmission. It's held in place by one 10mm bolt.
I had lube mobile come out and replace this for me as i had no car to get to the store to do it myself. Cost me $150 all together.
Now, the car starts and runs well.
The mechanic did warn me however, that the Crank Angle Sensor and the Cam Sensor pretty much work in conjunction. So if one goes, then the other one may be on it's way out too. I am yet to get this replaced, but the car is running fine for the moment.
Hope that helps out

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