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.
Optical Ignition System Checks (Except Pulsar NX Se): Spark
Check for spark at coil wire and at each spark plug wire using a low output spark tester. Crank engine in short bursts. DO NOT crank engine for more than 2 seconds continuously. Inspect secondary coil wire for arcing while testing spark at plugs. Check spark plug wire resistance on suspect wires. Resistance should be no greater than 30,000 ohms. Coil wire resistance should be no more than 7000 ohms. Check connections at crank angle sensor, ignition coil and power transistor (if equipped).
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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