Vehicle buck between thirty to forty kph

2010 HONDA STREAM
100,000 MILES • 1.8L • 4 CYL • 2WD • AUTOMATIC
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JAGAS56561
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The engine vibrates,and buck with a rattling sound between thirty to forty kph. it runs well above forty kph.

If the accelerator pedal is pressed the vehicle accelerates smoothly.
Jun 17, 2017 at 9:48 AM
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STRAILER
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Hello,

I sounds like the spark plugs need to be replaced, here is a guide that will help you get the job done.

https://www.2carpros.com/articles/how-to-change-spark-plugs

Please let us know what happens, we are interested to see what it is.

Cheers, Ken

Jun 19, 2017 at 11:30 AM
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JAGAS56561
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Thanks for your response Ken. I have already changed the plugs and two ignition coils.

I am looking to check the idle speed control mechanism and if necessary the valve timing as soon as I get a chance. don't know if it makes any sense.


One love,

Mike
Jun 20, 2017 at 7:02 PM
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STRAILER
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Hello,

I think is would be a good idea to run the codes to see what come up.

Here is a guide to help you get started.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Please run this test and get back to us so we can continue helping you.

Cheers, Ken
Jun 21, 2017 at 11:17 AM