2007–2012 Hyundai Santa Fe
By Ray Delgado ✓ Certified Mechanic · Published Sep 24, 2026 · Updated Oct 19, 2026
Save $284 by doing it yourself! Shop cost: $344
Quick answer: Spark Plug Replacement on a 2007–2012 Hyundai Santa Fe is rated Advanced and takes about 2–3 hours. You'll need 5 tools for this job, and parts cost about $60. This guide walks you through the full job step by step, including the mistakes to avoid.
| Part Name | Part Number | Price | Buy |
|---|---|---|---|
| 6 spark plugs for 2007-2012 Hyundai Santa Fe V6 (check owner's manual for correct type) | — | $60.00 | |
| Upper intake plenum gasket set for 2007-2012 Hyundai Santa Fe V6 | — | — |
About prices: shown prices are typical retail averages and change frequently; cheaper alternatives may be available. Confirm the current price before buying.
💡 Pro tip: Order all parts at once to save on shipping
Follow these steps carefully
With the engine fully cool, disconnect the negative battery terminal to protect the ignition system electronics while you work. Remove the plastic engine cover by pulling it up off its mounting grommets to expose the intake manifold and the front ignition coils. Completion looks like an uncovered V6 with the front three coil packs visible along the front of the engine.
Disconnect the electrical connector from each front ignition coil, remove the coil hold-down bolt, and pull the coil straight up off the plug. Loosen each front spark plug with a spark plug socket and extension, then thread the new plug in by hand to avoid cross-threading before snugging it with the ratchet. You are done with this stage when all three front plugs and coils are replaced and reconnected.
Small thing, big difference: I thread each new plug in by hand before the ratchet touches it — I've cross-threaded one starting it with the ratchet.
Label and disconnect the vacuum hoses, PCV hose, throttle body connector, and any sensors attached to the upper intake plenum, then remove the plenum mounting bolts around its perimeter. Lift the plenum straight up and set it aside on a clean rag, stuffing clean rags into the exposed lower intake openings so nothing falls in. Completion is the rear valve cover with its three coil packs now accessible.
Remove each rear ignition coil the same way as the fronts, then extract the old rear spark plugs with the spark plug socket. Inspect the old plugs for oil fouling or abnormal wear, which can signal valve cover gasket leaks on these V6s. Thread the new rear spark plugs in by hand. You are done when all three rear plugs are swapped and their coils are reinstalled with connectors clicked back on.
Remove the rags from the intake openings, fit new plenum gaskets into their grooves, and lower the upper intake plenum back into place. Thread all plenum bolts in by hand first, then tighten them in a crisscross pattern so the plenum seats evenly without vacuum leaks. Completion looks like a fully seated plenum with every bolt snug and all hoses and connectors reattached.
Reinstall the engine cover, reconnect the negative battery terminal, and start the engine, letting it idle while you listen for vacuum leaks (hissing) and watch for a check-engine light. Take a short test drive to confirm smooth acceleration with no misfire or hesitation. The job is complete when the engine idles smoothly, no warning lights appear, and all removed components are back in place.
Do yourself a favor like I do: I don't call it done until the engine idles smooth, no warning lights appear, and I've reinstalled every removed component.
Test your repair before closing everything up. If something doesn't work right, double-check your steps.
⚠️ Common Mistakes to Avoid
2007–2012
2007–2012
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2013–2018
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