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.
2012 Honda Insight BaseFACTORY OEM SERVICE PROCEDURE
Ignition Coil and Spark Plug Removal/Installation
- Remove the cowl cover and the under-cowl panel (see COWL COVER REPLACEMENT ).
- Remove the engine cover (see step 1 on REMOVAL ).
- Disconnect the ignition coil connectors, then remove the intake side ignition coils (A) and the exhaust side ignition coils (B).
- Remove the spark plugs and inspect them (see SPARK PLUG INSPECTION ).
- Apply a small amount of anti-seize compound to the plug threads, and screw the plugs into the cylinder head, finger tight, then tighten the plugs to the specified torque.
Specified Torque:
18 N.m (1.8 kgf.m, 13 lbf.ft)
- Install the ignition coils in the reverse order of removal.
Factory Service Tools
Use the Manual With the Right Hardware
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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.