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1999 Hyundai Sonata 2.4L Poor Idle Quality
Posted to Asian Driveability on 8/15/2005 7 Replies

when car is cold runs rough and has no power,originally had codes po171 and 300,we installed used computer had the codes have not returned yet,but car runs the same. fuel pressure is good,no codes have reset. sacn data is very limited. any help appreciated.

Summary posted 9/17/2005

7 Replies Received (View Replies)

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car Vehicle Data

1999 Hyundai Sonata

VIN KMHWF25S7X
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursCold