Learn more about knock sensor replacement
Our in-house mechanics answer the most common questions about knock sensor replacement
Learn moreFixter gets you the best price for your Kia Optima's knock sensor replacement


| Read vehicle diagnostic codes | |
| Remove faulty knock sensor | |
| Replace with working knock sensor | |
| No additional work without your approval | |
| We only use manufacturer parts or equivalent | |
| All parts and labour are protected with our Fixter 12-month warranty |
| Car model | Average labour time |
|---|---|
| Kia Optima 1.6 2 | 45 min - 1 h 18 min |
| Kia Optima 1.6 3 | 43 min - 1 h 20 min |
| Kia Optima 1.7 2 | 41 min - 1 h 22 min |
| Kia Optima 1.7 3 | 39 min - 1 h 24 min |
| Kia Optima 1.7 4 | 37 min - 1 h 26 min |
| Kia Optima 2 Entry | 47 min - 1 h 40 min |
| Kia Optima 1.7 2 Tech | 33 min - 1 h 30 min |
| Kia Optima 1.6 Gt Line S | 31 min - 1 h 16 min |
| Kia Optima 1.7 Gt Line S | 30 min - 1 h 18 min |
| Kia Optima 1.7 2 Ecodynamics | 44 min - 1 h 20 min |
| Kia Optima 1.7 3 Ecodynamics | 42 min - 1 h 22 min |
Our in-house mechanics answer the most common questions about knock sensor replacement
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