I'm used to driving a diesel car just bought my focus Ecoboost when I set off pointing up hill when finding bite it makes a wired noise but doesn't when changing gear from first up or down just setting off on a hill is my clutch buggered? Also when I press brake pedal when car running there's a...

Well guys lets see them, post up ur aftermarket: intake pics exhaust pics rims/wheels pics and anything else cool you have done.

I found a 2002 valve body in my garage that might be the original one I took off when I swapped it for a Lentech, but it's has been lying in a sealed plastic bag for a many years, and I can't say if it is the first Lentech one I got that had a sticky valve or if it's my original one (I sold one...

While cruising at highway speeds and having to come to a stop the cars idle goes extremely low and acts like it wants to stall. I recently replaced the aftermarket intake with the OEM one. This is not a pzev engine. Thinking this may be the culprit. It helped with the erratic idling. But this...

Is this the downstream 02 female connection? Just wanting clarity as I am just learning about this car and am having some problems with it