Question about 2002 Hyundai Accent

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2002 hyundai accent wont rev passed 2500 rpm,

Hyundai accent wont rev up passed 2500 unless i desconnect idle air control valve then it runs normal, replaced idle air control valve and it does the same thing, checked for vacuum leaks, all ok, i need help

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SOURCE: how do you clean idle air control sensor 2002 hyundai accent

you can remove and cleanit w/ carb. cleaner but i doubt thats the prob. i would clean the throttle body and the maf sensor 1st

Posted on Jun 10, 2012

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Try changing your fuel filter, if that does not fix your issue I would have the catalytic converter changed.

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No, it is not. You should be around 2500 rpm at 115 Kilometers an hour. Even if you were in 4th it should only be around 3000 rpm. At 115 MPH you would be near the 4000 RPM. Your either running on 3 cylinders or your transmission is in trouble and needs repair.

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Car sometimes wont start unless you spray starter fluid, just replaced filter. oem codes are p0734 and p1401


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P1401 exists for 2000 Accent = DM-TL Air Pump Motor Curent Draw is higher or lower than expected (normal is 17-36 mA). DM-TL = Diagnostic Module for Tank Leakage & is part of the Evaporative Emissions Control System.

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Best to have a qualified/certified Hyundai Service Technician properly diagnose this starting problem with your vehicle.

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I have an hyundia accent cdx,it revs at 15000 even when its warm.Its like the choke is stuck.


I would check for any vacuum leaks. Also check the idle air control valve. Spray some Gumout around the vacuum hoses, if you get any change in idle, check for cracked or broken hoses. Check Engine Light on?

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