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P1505 Diagnostic Trouble Code Discussion for December 2009

Idle Air Control System at Adaptive Clip

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Trouble Ticket Help Requests for DTC P1505
Help Request Posted
2000 Kia Sportage 2.0L Poor Idle Quality VIN: KNDJA7236Y
P1505: IAC Valve Opening Coil Signal Low Input. ... down this Kia. Seemed like a slam-dunk sticking IAC valve. Customer complained of high idle. However, when I checked it out the other day, it would not even start unless I cracked the throttle. It would stall as soon as I let off the gas. A little love tap...
December 24, 2009
2004 Hyundai Sonata 2.4L No Start, Hesitation, Cuts out VIN: KMHWF35H04
P1505: Idle Speed Control Actuator Opening Coil Circuit Open. Customer had been working on it long before we got our hands on it. They had changed the IAC valve and in the end left it unplugged. (I believe this is what set the codes.) They say they changed it because it was clicking and getting really hot. (I did feel it...
December 28, 2009