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Dave Nova, ASE Technician
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Experience:  ASE Master Certification. 25 yrs experience
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Kia sportage: code..p0171..p0440..customer complains of down on power

Resolved Question:

02 kia sportage code p0171 and p0440. customer complains of down on power
Submitted: 5 years ago.
Category: Kia
Expert:  Dave Nova replied 5 years ago.
Hello and thank you for using JustAnswer. My name is XXXXX XXXXX I will do my best to help you with your Kia problem.

The P0440 code is for an evap leak, this could be a bad gas cap or a faulty canister vent solenoid, this would not cause the lack of power.

The P0171 is a lean code. Combine the lean condition and the lack of power and it sounds like low fuel pressure due to a failing fuel pump.
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