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Fiesta 1.4 Oil on MAF Sensor


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Hello All,

I'm grateful for all the advice I have received on this forum so far. I wonder if I could pester you lot for more advice.

I was just doing some checks under the bonnet and decided to look at the MAF sensor to see if it needed a clean.

I bought my car as a used car and wanted to check the condition. I pulled the MAF sensor out and it was caked in oil.

I could even see oil in the hole there the sensor slots in, so I guess oil has contaminated the air flow system.

I gave it a quick clean with MAF Cleaner and the engine idle seems stable and clean and the revs seem more reactive.


Has anyone had experience in this? and where is the oil coming from?

I'm just worried that the long term affects could damage the car.





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