Question about Subaru Forester

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Intermittent rough idle

Intermitten problem . start car idel will start surging , when you put it in gear it will sputter and hesitate , it will smooth out at high speed, if you can get it there. shut engine off start back up and it rund fine

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Possible dirty throttle body/plate. Start at the parts store and get Throttle body cleaner. While you are there get some Mass Air Flow sensor cleaner (both very specific and should not be interchanged) and clean them both. Good idea to clean these from time to time. I do this as part of my fall routine...new air filter, oil change, wiper blades.

Posted on Jul 13, 2014

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Posted on Jan 02, 2017

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  • 12 Answers

SOURCE: rough idle / engine surges until power is applied

Sounds like a possible vaccume hose leak?

Posted on Feb 07, 2009

ourhowse
  • 2007 Answers

SOURCE: Car hesitates when excelerating from

Check timing chain. Sounds like it may have jumped a cog.

Posted on Apr 28, 2009

  • 119 Answers

SOURCE: 2003 passat surging at idle and take off at low

First clean the throttle intake butterfly with wd40 and a cotton rag and lightly brush wd40 onto the left and right bush(where the plate swivels on) this is the fat black pipe on the right of the engine in front.Are your spark plugs ok,air filter?.Dont forget the fuel filter at the back under the axle(covered with plastic undertray).

Posted on Feb 18, 2010

Testimonial: "First I was toldto flush the heater core ??? But the dirty throttle was the problem, since I already cleaned it and it fixed the problem. thanks "

mecanica03
  • 905 Answers

SOURCE: TOYOTA CELICA 2003 CYLINDER 3 MISFIRING IDLE ROUGH

this a tipical simptom of dirty fuel injectors, make a clean on gaae shop

Posted on Jul 16, 2010

ghost4548
  • 776 Answers

SOURCE: 2003 Hyundai Santa Fe V6-2.7L. Engine has rough

There are several possible causes for the drivability issue you describe. I'd be guessing at this point with the limited information here. Best advice, take it to an authorized Hyundai Service Department & have it properly diagnosed. This way you'll find out exactly what the problem is and what it will take to fix it.

Posted on Jun 29, 2011

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