× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1991 Buick Regal, IC Circuit Waveform
Posted to the Waveform Library on 2/11/2004

grabbed waveform by turning key on, setting a single shot, then cranking as you see setup at top of screen. The EST signal not reaching ground a problem or my scope?

 

car Vehicle Data

1991 Buick Regal Gran Sport 3.8L

Engine3.8 L / 6 cyl / GAS
Trans4-speed AutomaticTransaxle
DeliveryFuel Injection
SubsystemIgnition
Component

car Vehicle Data

1991 Buick Regal Gran Sport 3.8L

Engine3.8 L / 6 cyl / GAS
Trans4-speed AutomaticTransaxle
DeliveryFuel Injection
SubsystemIgnition
Component