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 Mazda 3'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 | 
|---|---|
| Mazda 3 2 SE | 45 min - 1 h 18 min | 
| Mazda 3 2 TS | 1 h 25 min - 2 h 2 min | 
| Mazda 3 1.6 S | 1 h 17 min - 1 h 58 min | 
| Mazda 3 1.5 SE | 39 min - 1 h 24 min | 
| Mazda 3 1.6 TS | 1 h 25 min - 2 h 14 min | 
| Mazda 3 2 Se-L | 35 min - 1 h 28 min | 
| Mazda 3 2.2 SE | 33 min - 1 h 30 min | 
| Mazda 3 1.6 TS2 | 1 h 19 min - 2 h 4 min | 
| Mazda 3 2 Sport | 1 h 12 min - 2 h | 
| Mazda 3 2.3 MPS | 1 h 44 min - 2 h 20 min | 
| Mazda 3 1.5 Se-L | 42 min - 1 h 22 min | 
| Mazda 3 2 Se Nav | 40 min - 1 h 24 min | 
| Mazda 3 2.2 Se-L | 38 min - 1 h 26 min | 
| Mazda 3 1.6 Sport | 1 h 24 min - 2 h 16 min | 
| Mazda 3 2.2 Sport | 34 min - 1 h 30 min | 
| Mazda 3 1.5 Se Nav | 32 min - 1 h 15 min | 
| Mazda 3 1.6 Katano | 1 h 18 min - 2 h 5 min | 
| Mazda 3 1.6 Sakata | 1 h 33 min - 2 h 7 min | 
| Mazda 3 1.6 Takara | 1 h 31 min - 2 h 9 min | 
| Mazda 3 1.6 Takuya | 1 h 17 min - 1 h 59 min | 
Our in-house mechanics answer the most common questions about knock sensor replacement
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