i have a 1990 toyota truck 3.0 v6 idles fine until i press the brake pedal and then the idle starts going up and down i have replaced the brake booster and checked for vacume leaks and all that seems fine what else can i look for

Asked by Nov 16, 2016 at 11:54 AM about the 1990 Toyota Pickup 2 Dr Deluxe 4WD Standard Cab SB

Question type: Maintenance & Repair

1 Answer

4,905

I'm going to have to suggest the Idle air control is dirty or not functioning~ https://www.youtube.com/watch?v=czOG-4XdxOQ

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