2002 GMC Sonoma Q&A
2002 GMC Sonoma Question: Fuel Injection cleaning
In my personal opinion, you are right to question this! If the vehicle runs fine, and not exhibiting driveability problems I wouldn't recommend it. Many shop receive kickbacks from the companies that sell these flush products, and this no doubt clouds their judgment as to when this service is needed. - munkyrench
vehicle runs rough at idle like it wants to stall but never does feels worse while in drive at idle more than neutral or park but runs smooth when accelerating and driving. Also has an extended cra...