Kia Sportage not starting, possibly firing on one or two cylinders due to lack of diesel to injectors on Kia Sportage

Submitted by snapjojo · Jun 23, 2025
Published by RepairPal

Problem overview

Some Kia Sportage owners report experiencing starting issues potentially due to a lack of diesel reaching the injectors, which may result in the engine firing on one or two cylinders. Common problems include fuel system issues, such as a clogged fuel filter or fuel pump failure, which can hinder diesel delivery. Additionally, some owners encounter ignition problems that lead to a lack of spark, preventing proper engine start-up. Battery-related issues, including a weak or dead battery, are frequently cited as a reason for starting difficulties. Furthermore, failures in the starter motor or alternator can also contribute to these starting problems. To effectively troubleshoot these issues, it is advisable for owners to systematically check these components, starting with simpler solutions like the battery before investigating more complex fuel system problems. Promptly addressing these concerns is essential to prevent further damage and ensure the engine operates correctly.

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