Inactive-Merged-Crankshaft Position Sensor May be Damaged if Timing Belt Breaks on Kia Optima

Submitted by Vehicle Owner · May 29, 2025

Published by RepairPal

Problem overview

Timing belts can break prematurely and cause serious engine damage. When replacing a broken timing belt, the crankshaft position sensor should also be replaced as it most likely has suffered damage as well.

2 people reported this problem

1 comment

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Kia Optima vehicles with this problem

1 model year affected

2003 Kia Optima

Average mileage: 53,000 miles

(53,000 - 53,000)

Repairs related to this problem

Timing Belt Replacement

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