Parts cannon couldn't fix this '90 F150. Old School diagnosing by the CAR WIZARD HD

Older vehicles without the ability to connect a scan tool can be very tricky to diagnose. The CAR WIZARD ‍♂️ shares some secrets and what he found wrong with this 1990 Ford F150 with a surging, high idle. AMAZON AFFILIATE STORE: https://www.amazon.com/shop/omegaautoclinic UK AMAZON STORE: https://www.amazon.co.uk/shop/omegaautoclinic BENDPAK LIFTS: https://www.bendpak.com CAR WIZARD MERCH: https://teespring.com/stores/carwizard INSTAGRAM @realcarwizard MUSIC BY CLAYTON CAGLE: https://www.instagram.com/claytoncalifornia/