Fuel Trims | Pro Training PowerHour
In this session of Pro Training PowerHour, SMP's Director of Training discusses fuel issues, input issues and air fuel ratio issues specifically using fuel trims. He takes a look at how fuel trims have adapted through the years and how you can use it to your diagnostic advantage.
Chapters:
00:00: Introduction
01:22: Carburation
02:02: Throttle Body Injection
02:51: Port Injection
03:33: Gasoline Direct Injection
04:19: Initial Open Loop Fuel Calculation
05:20: Closed Loop Fuel Calculation
07:30: Typical Fuel Trim PIDs
08:43: Generic Trim Storage
10:14: Lambda
11:23: Fuel Trim Examples
13:32: Mapping Fuel Trim
16:12: Pirate Air Example
17:29: Alcohol or Low Fuel Volume
18:21: Small Vacuum Leak
19:53: Evaluating Fuel Trim
21:56: Post Catalyst Fuel Trim DTCs
22:38: Case Study: 2011 Chevy Tahoe
33:05: Session Recap
34:57: Community Questions
Pro Training Power Hour is a free, live virtual technical series that features live demonstrations from Standard® Pro Trainers. Each session will provide you with a systems overview, diagnostic recommendations and installation tips.
Register for the next PowerHour: http://www.ProTrainingPowerHour.com
Watch previous sessions: • Pro Training Power Hour
More Gasoline Direct Injection: • GDI - Gasoline Direct Injection
More Gas Fuel Injection: • Gas Fuel Injection
To learn more, visit http://www.StandardBrand.com