Do you ever wonder if Toyota direct injection ( D4S ) System build up carbon? In this video we take a look at an in service Toyota D4S engine to find out if that is the case or not.
Toyota's D4S injection system uses both Direct and Port Injection. So in theory it shouldn't build up carbon. But does it?
In this video we have a 2017 Toyota Sienna with a 2GR-FKS engine which has Toyota's D4S System and we will find out if it does build up carbon or not.
I also share some tips on how to prevent carbon build, D4S System reliability and more.
TCCN Automotive Inc.
Toyota and Lexus Specialist Repair
Visit www.tccnautomotive.com to schedule your appointment today.
Check out the second channel :
[ Ссылка ]
Recommended Tools:
Basic Scan Tool [ Ссылка ]
Very good DIY Scan Tool [ Ссылка ]
Advanced Scan tool [ Ссылка ]
Spill Free Coolant Replacement Funnel [ Ссылка ]
Sun roof drain cleaning tool [ Ссылка ]
Good DIY Torque Wrench 1/2" [ Ссылка ]
Wireless Apple CarPlay for Toyota\Lexus [ Ссылка ]
Very Good Triple Camera Borescope [ Ссылка ]
*as an Amazon associate, I earn from qualifying purchases.
Follow the channel on Social Media :
[ Ссылка ]
[ Ссылка ]
Check out the channel Merch store
[ Ссылка ]
Support the channel on Patreon:
[ Ссылка ]
Make a one time donation to the channel:
[ Ссылка ]
Check out the amazon store:
[ Ссылка ]
*as an Amazon associate, I earn from qualifying purchases.
0:00 Intro
0:33 What is Toyota D4S System
7:17 D4S Reliability
9:03 Does it Actually Work?!
12:52 Should You Avoid Direct Injection Toyotas?
14:26 How to Prevent Carbon Build Up
![](https://i.ytimg.com/vi/vrofW73ZKxw/maxresdefault.jpg)