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Occasional stumble while idling

The inside of the throttle body needs to be spotless clean and shiny bright for the car to idle properly. Get yourself some throttle body cleaner and keep at it until the cleaning cloth shows no ...
MTA's user avatar
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Suburban stumbles at idle, unknown tube spewing black liquid into air intake is suspected cause. Please advise?

I don't think you're looking in the right place (at least by your images) for where the PCV is located on your Suburban. It should be located in the driver's side (left) valve cover towards the rear, ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
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Hesitation/ rough idle for couple of seconds on cold starts

The issue was fixed after replacing 2 parts. Since there was no error codes thrown, we followed the variables that require when starting up. Fuel, air and ignition. The spark plugs and the plug wires ...
Hasitha Shan's user avatar

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