Likely engine oil leak onto spark plug? Looking for diagnosis help

This post has been de-listed

It is no longer included in search results and normal feeds (front page, hot posts, subreddit posts, etc). It remains visible only via the author's post history.

Post Flair (click to view more posts with a particular flair)

Question

Post Body

2001 Ford Econoline e-250 4.6L v6! (Yes, lived in, yes, so cute)

We’ve been having an issue with the #5 spark plug needing to be replaced every ~5 hours of driving. Our best hypothesis is we need to replace the valve cover gasket. We went to a garbage mechanic and asked him to do exactly that, and after four hours of diagnosing that it wasn’t other stuff he said it was probably that, but he couldn’t do it. Thanks a lot for the help….

Anyways, he recommended a bandaid fix of oil thickener, which increased our driving time on one plug by about double. Plug looked like this when we pulled it out. With my limited mechanic knowledge, this looks in like with an oil leak onto the plug, but I’d love advice and diagnosis, just visually.

Changing the plug, as usual, fixed the misfiring and sputtering completely.

Image

Author

Account Strength

60%

Account Age

3 years

Verified Email

Yes

Verified Flair

Total Karma

Link Karma

Comment Karma

Profile updated: 4 days ago

Posts updated: 3 months ago

annadevin

Subreddit

r/mechanic

Post Details

We try to extract some basic information from the post title. This is not always successful or accurate, please use your best judgement and compare these values to the post title and body for confirmation.

Posted: 4 months ago
Reddit URL: View post on reddit.com
External URL: i.redd.it/t967vx6wouod1....