Why does my engine rattle when I press the gas?

Why does my engine rattle when I press the gas?

Most people call this a pinging or rattling sound. This noise is caused by an air/fuel mixture in the engine cylinder being ignited prematurely by the heat of compression as the piston is moving up on the compression stroke. And that’s also why you hear the pinging and rattling noises.

Why does my Jaguar engine rattle when I start it?

If the oil bleeds past the valve in the tensioner, the tension on the upper timing chain is temporarily lost. When the engine is started, the chain will rattle until oil pressure builds up and recharges the tensioner, stopping the rattle.

What kind of noise does a Jaguar make?

Here’s an example: A customer drives his 1996 Jaguar XJ-S Coupe into a shop with an engine noise. He is convinced the rattle is so loud, there has to be serious internal engine problems and a major repair will be extremely expensive.

Why does my car rattle when I step on the gas?

When I step on the gas the noise disappears but when I leave it idle, it starts to rattle as if a piece of plastic is touching a moving part. 😕 I pulled up in front of the house and lifted the hood… the sound was coming from the engine .. slightly to the right, under the MAF sensor.

Where does the rattling sound from the idle engine come from?

I pulled up in front of the house and lifted the hood… the sound was coming from the engine .. slightly to the right, under the MAF sensor. I turned off and started the engine again and could hear nothing.

If the oil bleeds past the valve in the tensioner, the tension on the upper timing chain is temporarily lost. When the engine is started, the chain will rattle until oil pressure builds up and recharges the tensioner, stopping the rattle.

Here’s an example: A customer drives his 1996 Jaguar XJ-S Coupe into a shop with an engine noise. He is convinced the rattle is so loud, there has to be serious internal engine problems and a major repair will be extremely expensive.

When I step on the gas the noise disappears but when I leave it idle, it starts to rattle as if a piece of plastic is touching a moving part. 😕 I pulled up in front of the house and lifted the hood… the sound was coming from the engine .. slightly to the right, under the MAF sensor.

I pulled up in front of the house and lifted the hood… the sound was coming from the engine .. slightly to the right, under the MAF sensor. I turned off and started the engine again and could hear nothing.

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