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Discussion Starter · #1 ·
Hi guys,
03 ford focus SPI SOHC. the car was shaking really badly. I suspected bad about spark plugs . When I checked the spark plugs I saw all of them has light oil on them.What the problem(s) could be?
thanks.
 

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Wet-fouled spark plugs and change them. That may only last five minutes until they foul again from some unknown engine problem.
 

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Any CELs on?

Have you done a compression check? The SPIs were known for dropping valve seats. Probably not that, but worth a look before going too far.
 
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