Why is my suv dieing when in idol?

Asked by Danielle Apr 10, 2023 at 10:06 PM about the 2006 Chevrolet Trailblazer LT 4WD

Question type: Maintenance & Repair

Ok so i have a 2006 chevy trailblazer LT that i bought
a week ago. It has 193000 miles. So a couple days
ago it start dieing after starting but if i rev the gas in
time itll stay started. When its in idle or stopping it
dies but will start back up. The rpm needle jumps not
too much but between the 1 and 2. Sometimes i can
feel the fuel pump under my feet on passenger front
side making a weird noise idk how to explain it. It
kicks on normal. And as of yesterday my power
steering started whining when i turn but no tightness.
Does anyone have an idea what my issue could be?

2 Answers
190

FJ4072327 answered about a year ago

Does the engine only die when you have the AC on OR defroster? If so, unhook fuses #10 and #28 under the hood, then clean your throttle body, $8 fix. Power steering, look at the fluid levels, if full and not hard to turn, that rules out air in your system. Might just need a new pump, very easy DIY job. Do check your idler pulley, as a bad bearing here can make the exact sound as a whiny PS pump. That's a $10 part and 5 minutes to change yourself. Tip, if you do need a new PS pump, stay away from A1-Cardone, mine whined right out of the box. Also, get with a pulley already attached to save you time and the need to buy specially pulley pullers. Maintenance is key with our platform, do this you'll get 300k+ miles out of it.

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