Vehicle buck between thirty to forty kph

JAGAS56561

MEMBER
2010 HONDA STREAM
1.8L
4 CYL
2WD
AUTOMATIC
100,000 MILES

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.

Saturday, June 17th, 2017 AT 9:48 AM

3 Replies

KEN L

MASTER CERTIFIED MECHANIC
48,363 POSTS

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

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Monday, June 19th, 2017 AT 11:30 AM

JAGAS56561

MEMBER
4 POSTS

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

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Tuesday, June 20th, 2017 AT 7:02 PM

KEN L

MASTER CERTIFIED MECHANIC
48,363 POSTS

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

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Wednesday, June 21st, 2017 AT 11:17 AM