2026-10-12 · 9 min read
GM AFM & DFM Explained: Lifter Failure Causes, Symptoms and Fixes
How GM Active and Dynamic Fuel Management work, which engines use them, the warning signs of AFM lifter failure, and the options to keep a V8 on all cylinders.
2026-10-12 · 8 min read
AFM Disabler vs AFM Delete Kit: Which One Should Your Customers Buy?
A side-by-side comparison of plug-in AFM/DFM disablers and full AFM delete kits — cost, installation, reversibility, risks and which option fits each type of GM owner.
2026-10-12 · 10 min read
ELM327 Bluetooth vs WiFi vs DC24K: How to Choose OBD2 Scanners to Stock
A buyer's guide to OBD2 adapters and code readers for wholesalers and e-commerce sellers: connection types, chips, voltage, iPhone support, certificates, sample testing and a starter line-up.
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