Skoda Karoq Spark Plugs: Intervals, Fitment & Warning Signs
On the Karoq, a real story shows why the coil-swap test needs doing properly — a first garage's diagnosis wrongly cleared the coils, a second found and fixed the fault in 45 minutes.
Illustration for editorial purposes
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OEM Part Number: confirm via engine code — aftermarket NGK 94833 / Bosch 0 241 245 673
| Petrol engines in this generation | 1.0 TSI 110 and 115 HP, 1.4 TSI 150 HP, 1.4 TSI 4x4 150 HP, 1.5 TSI 150 HP, 1.5 TSI 4x4 150 HP, 1.6 SRE 110 HP, 2.0 TSI 4x4 190 HP |
|---|---|
| Spark plugs (aftermarket) | NGK 94833 (platinum, 16 mm hex, M14x1.25, 26.5 mm reach); NGK 91898 (iridium, M14x1.25); NGK 95929 (iridium, 0.8 mm gap, M12x1.25, 28 mm reach); NGK 94224 (iridium, 0.8 mm gap, M12x1.25); NGK 95463 (platinum, M12x1.25); NGK 96596 (nickel, M12x1.25); Bosch 0 241 245 673 (0.7 mm gap, M14x1.25); Bosch 0 241 245 677 (0.65 mm gap, M14x1.25) |
| Genuine (OE) numbers quoted | Kamoka 7090007 cross-references 06K 905 601 B |
| Fitment notes | Both M14x1.25 and M12x1.25 plugs are listed, all with a 16 mm hex; the M14x1.25 types (the 06K 905 601 B family) suit the 1.4, 1.5 and 2.0 TSI engines, while the M12x1.25 types suit the smaller 1.0 TSI and 1.6 SRE, so confirm by engine. The copper Champion OE247 (1.0 mm gap) is listed for the 1.6 SRE. No change interval is shown. |
A Genuine Story Worth Knowing Before Paying for Misfire Diagnostics — Skoda Karoq Spark Plugs
A genuinely instructive, real story worth knowing before paying for diagnostics: one owner's first garage charged a diagnostic fee, ran a quick check, and declared the coil packs "fine" — but the misfire persisted. A second garage, given only the symptoms and no mention of the previous diagnosis, properly swapped the coil packs and spark plugs between cylinders and had the fault correctly identified and fixed within 45 minutes, for £181 including labour, a new coilpack, and a fresh set of plugs. The owner was left writing to the first garage requesting a refund of their diagnostic charge, since a properly performed coil-swap test would have shown exactly where the fault was the first time round. If a garage tells you coils and plugs have been "checked" and ruled out, it's worth asking specifically whether they physically swapped components between cylinders and watched whether the fault code followed — a quick visual inspection alone often isn't enough to catch this.
Skoda Karoq Spark Plugs: A Cheap Part That Causes Expensive-Feeling Problems
Worn spark plugs on the Skoda Karoq rarely announce themselves clearly — a slightly rougher idle, a bit less punch off the line — symptoms easy to blame on almost anything else in the engine bay. The part itself costs very little, which makes it an easy one to overlook for far longer than it should be.
Skoda Karoq Spark Plugs: Watch: Replacing It
Generic 1.5 TSI video; Karoq uses this engine; no Karoq-specific video found
Skoda Karoq Spark Plugs: What They Do
The Skoda Karoq's spark plugs ignite the compressed fuel-air mixture inside each cylinder, and their condition directly affects combustion efficiency, fuel economy and smooth running. Petrol engines rely entirely on them; diesel engines don't use spark plugs at all, relying on compression instead.
Skoda Karoq Spark Plugs: Generations & Spark Plug Count
| Diesel variants | Not applicable — diesel engines use compression ignition and have no spark plugs at all |
|---|---|
| 1.0 TSI (entry petrol trims, where fitted) | Genuinely only 3 spark plugs — confirm your exact engine before ordering, since this generation spans both 3-cylinder and 4-cylinder petrol options |
| 1.5/2.0 TSI (mid to higher trims, vRS) | 4 spark plugs — a genuinely different, larger four-cylinder engine from the entry-level 3-cylinder unit |
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Skoda Karoq Spark Plugs: Warning Signs, DIY Difficulty & Aftermarket Advice
These are the same regardless of make or model — see our full Spark Plugs Guide for symptoms of worn plugs, why matching your exact plug specification matters, and trusted brands to buy from.
More Skoda Spark Plugs
The same part, covered across other Skoda models.