Question about Mazda B4000

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Engine Making Noise when accelerating

My truck makes a fluttering or ticking-rattling noise when I accelerate. It only seems to happen at higher speeds (50 mph and up). Friend said it was too low octane fuel but higher octane did not help. Truck does have aprox. 70k. It also stalls when I start it in the morning. Just the first time, when I restart it it runs fine. The sound it makes though is hard to describe. Not a heavy rattle but a sort of light flickering sound. But it is getting noticably louder as time goes by.

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  • bestline77 Jun 27, 2008

    same

  • gcjohnson3 Jan 06, 2009

    i have a ticking sound every time it idles and accelerates and it seems like it wants to stall out on me when i first start it.

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Could be carbon build-up on the pistons, causing erratic flame travel in the combustion chamber... 'pinging'...... Decarbon the engine and use a high grade fuel for a few tanks.... also an octane booster can help

Posted on May 15, 2008

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I had the same thing in a 96 Ford Ranger 2.3. It was the bolt in the lower belt pulley on the front of the motor. Hope this helps.

Posted on Nov 06, 2014

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