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2007 Honda Accord Question: Car is bucking and engine light came on?

 

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Visitor, 2.4L 4 Cylinder, Palmyra, NJ, June 15, 2011, 06:46

Today my engine light came on and towards the end of my commute (45 miles) the car started bucking upon acceleration (twice it happened). Is it a timing belt issue, faulty spark plug?

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  • Answer #1

    June 15, 2011, 07:20
     Master

    There are dozens of issues that can cause your driveability problem and MIL to come on. A proper diagnosis by a reputable shop will prove benficial.
    If the timing belt were to fail, the engine would shut off. If a spark plug were to foul, your car would still run, but not smoothly.

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    ziptie12, August 17, 2012, 08:41
     Master

    If your engine is listed correctly as a 2.4L then you have a chain , not belt. Some problems occur with the chain guides/tensioner affecting the 'cam timing' code will most likely read 'out of phase' that problem will lead to poor running conditions -sluggishness-. Regular oil changes with the correct oil(5W20) are best prevention for that.

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  • Answer #2

    patrick mannion from Greg Solow's Engine Room, June 15, 2011, 12:24
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     Master

    If the Check Engine Light/Service Engine Soon light illuminates while you are driving, the car's on board computer sees a fault in the engines management system that is causing an excess amount of pollutants to be emitted from your car. This could result in engine damage if left neglected. Some problems that can cause the Check Engine light to stay on may take two "drive cycles' to complete before illuminating the Check Engine Light. The computer sees a problem and looks for an identical set of circumstances to occur to confirm that it has indeed seen a problem before turning on the light. A Check Engine light that continually flashes while you are driving is serious and is a sign that the computer sees a problem that seriously risks damaging the catalytic converter which may result in an expensive repair or even may cause a fire! Diagnostic codes are stored in the vehicle's computer and can be retrieved using a scantool that communicates with the computer in your car. We have in our Repairpal website an encyclopedia with in depth articles about computer, and computer control systems, emission and driveability problems. http://repairpal.com/check-engine-light

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