The Equus 3022 is a designed to test:
Turn the key , reconnect the tool, and run a fresh KOEO test to confirm code 11 or 111 (System Pass) is achieved. Troubleshooting the Tester If the Equus 3022 behaves unexpectedly, use this checklist:
: If the pressure rises significantly, it indicates poorly seated or worn piston rings .
These are legal, ad-supported repositories. Search for “Equus 3022 Owners Manual.” Look for the version with 20+ pages—short “quick start” guides are not the manual.
Equus is now owned by Innova Electronics. Go to innova.com → Support → Owner’s Manuals. Search for “3022.” The full PDF is available for free.
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Keep clothing, hair, and tester cables away from fans and belts.
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For decades, the has been a staple in the garages of DIY mechanics and professional technicians alike. Known affectionately as the "Innova 3022" (following Equus' rebranding to Innova), this ignition analyzer is a powerful tool for diagnosing spark issues on older vehicles equipped with a distributor and conventional ignition systems—primarily cars, trucks, and small engines built before the mid-1990s.