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Honda Insight "Bucking" Problem

13 messages,  Last post on May 13, 2009 at 10:52 PM

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What is this discussion about? Honda Insight, Engine, Hatchback

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#4 of 13 Re: New Insight Recall [subsight] by plambo Jun 13, 2006 (11:18 am)
Replying to: subsight (Jun 13, 2006 9:34 am) yes, my 2002 also bucks. At 62 to about 68 mph. I checked with my dealer and was told there are no outstanding recalls on my car. I'm living with it for now. Unless someone has a better idea. Replies to this message: upnorthman (Jun 28, 2006 8:22 am)
#5 of 13 Re: New Insight Recall [plambo] by upnorthman Jun 28, 2006 (8:22 am)
Replying to: plambo (Jun 13, 2006 11:18 am) yeah the bucking should be build up on the trottle body. We have one for our office and the throttle body needs frequent cleaning. I am trying to find info on how to do this most effectively.
#6 of 13 Honda insight bucking - looking for LA, CA insight repair by carybrief May 12, 2006 (1:53 pm)
I have a 2000 honda insight, 60k miles. when going slow in 2, 3 or 4th gear the car bucks until we downshift or accelerate more. thing is we are not driving too slow for the gear, not at all. any suggestions?   Also looking for a los angeles CA Honda repair suggestion!   thanks, Cary Replies to this message: rbojack (Jun 06, 2006 10:16 am)
#7 of 13 Re: Honda insight bucking - looking for LA, CA insight repair [carybrief] by rbojack Jun 06, 2006 (9:16 am)
Replying to: carybrief (May 12, 2006 2:53 pm) I had the same problem a couple of months ago at about 85,000 miles. It "self-corrected" prior to my taking it into a dealer. I recommend a dealer check with their computer system, but not spending money on an immediate repair. It could be a "bad tank of gas".
#8 of 13 insight444 by mikeinsight May 21, 2007 (3:49 pm)
My 2000 Insight was bucking at low speeds-35-55 mph. I went to dealership, and they did the following work, and the problem did not correct itself.   1. Tune-up. New plugs 2. Top engine cleaing.. remove carbon 3. Replaced LAF, 02 sensor. 4. Went back to dealership, told them that problem still exists, they did a complete analysis, and told me that they could find nothing improper.   Any further suggestions on what, or how to solve the problem, would greatly be appreciated.   Thanks..
#9 of 13 Solution to bucking problems by mistermgd Jun 11, 2007 (5:09 pm)
Your cars are bucking because of condensation in the gas tank, especially when ethanol is added to mix. I know, it happens to my car every warm season when the ethanol is added. Add PURE acetone. It works - two years running and working like a charm for me. Go to this site to find out more about it: http://www.lubedev.com/smartgas/   Acetone is very dangerous to handle and hard to pour. Use a stainless steel turkey baister (Crate & Barrell), dip it straight into the acetone can, then draw it out full and empty it into your tank. Very clean and few or no spills. One dose is about the same as the 3 oz. recommended at the website. Good luck. Replies to this message: rotte (Jan 06, 2008 6:47 pm) Ogre_GEV (Nov 27, 2008 9:08 pm)
#10 of 13 Re: Solution to bucking problems [mistermgd] by rotte Jan 06, 2008 (6:47 pm)
Replying to: mistermgd (Jun 11, 2007 5:09 pm) Try cleaning the EGR valve; worked like a charm for me. Takes some WD-40 and elbow grease, and about $1.50 for a new seal. Google for exact directions (they come with pictures, too:)) Replies to this message: Ogre_GEV (Nov 27, 2008 9:08 pm)
#11 of 13 Re: Solution to bucking problems [rotte] by Ogre_GEV Nov 27, 2008 (9:08 pm)
Replying to: rotte (Jan 06, 2008 6:47 pm) I second that. The bucking is ALWAYS the EGR valve, but I disagree with the solution. The motor has worn a groove that cleaning will not fix. Cleaning it will cure it for a few months only. Get one from a junkyard for $25 and fix the problem properly.
#12 of 13 Bucking solution by rotte Feb 11, 2009 (8:03 am)
I had my EGR valve cleaned, new seal put on it (easy directions, with pics, from Google search) about 2 years ago, haven't had bucking since. I'd say, try cleaning it first, then if that doesn't work replace it.
#13 of 13 2000 insight bucking problem by mikeinsight May 13, 2009 (10:52 pm)
I replaced the EGR valve after researching the internet for solutions and talking to my local dealership. The car has stopped bucking and runs smoothly again. In addition the "check engine light" does not come one when the car is bucking. My mpg has improved significantly.

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