idle issues

On to the issues: I've been noticing for the past while that the oil pan shows a mostly-dry stain of oil and the area around the oil filter shows wet stain/dirt. The source of this oil seems to be from the spin-on filter seal, though I am not 100% sure of this. I lubricate the filter o-ring with...

Total noob here hoping that someone can help out. Recently purchased a modded 07 mazdaspeed6. Previous owner said fuel injectors needed to be replaced (codes on accessport agreed with that as well) so that's what my dad and I did today. After replacing the injectors, we can NOT get the car to...

I’m having what seems to be a very common issue talked about here but I have searched for several days to find a fix an I can’t seem to find anything that helps Some background, I’m a mechanic. I’ve been working on cars for a few years now at a shop an know about engines an how to solve issues...