Operation CHARM: Car repair manuals for everyone.
Home >> Mazda >> 1994 >> RX7 2RTR-1308cc 80 >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Testing and Inspection >> Component Tests and General Diagnostics >> Testing for Spark
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la
If it fails: lemon-manuals.org.ua

Or, hide this message: temporarily or permanently

Testing for Spark


Spark Test




1. Disconnect the high-tension lead from the spark plug.




2. Hold the lead 5-10mm (0.20-0.39 in) from a ground.
3. Crank the engine and verify that a strong blue spark is visible.

pro multis · About Operation CHARM