Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2007 Kia Spectra L4-2.0LFACTORY OEM SERVICE PROCEDURE
Spark Plug: Testing and Inspection
ON-VEHICLE INSPECTION
INSPECT SPARK PLUG
1. Remove the spark plug cable.
NOTE:
When removing the spark plug cable, pull on the spark plug cable boot (not the cable), as it may be damaged.
2. Using a spark plug socket, remove the spark plug.
CAUTION:
Be careful that no contaminates enter through the spark plug holes.
3. Inspect the electrodes (A) and ceramic insulator (B).
INSPECTION OF ELECTRODES
4. Check the electrode gap (A).
Standard : 1.0 - 1.1 mm (0.0394 - 0.0433 in.)
INSPECT SPARK PLUG CABLE
1. Carefully remove the spark plug cable by pulling on the rubber boots (A).
Check the condition of the spark plug cable terminals (B), if any terminal has surface corrosion, clean it off, and if it broken or distorted, replace the spark plug cable.
2. Connect the ohmmeter probes and measure resistance.
RESISTANCE : 5.6kOhms/m ±20%
3. Resistance should not be higher than 10kOhms/m.
If resistance is higher, replace the cable.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.