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When It's hot outside - engine rattles??

  

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Hello,

I have problem with my Mondeo MK3 TDCI 2.2 Euro 4

Last few weeks, when it's warm outside 22°C+ and I'm driving on 5th or 6th my enginge gets really rattly and noisy when I accelerate (1500-2000RPM). In the moment when I remove the foot from gas the noise disappears.

I was thinking it could be something from the air filter or MAF sensor, because hot air is less dense.

Today I cleaned my MAF sensor and change the air filter. Still the same.

Someone says it coulde be the DMF, but I don't think so because, in every other gear is good, no rattle when I start engine or enter first gear.


1 Answer
1

Well for some reason ignition timing is bad and it rattles then please just be a problem with the VVT valve system


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