Search Results for ‘p0299’

So I recently purchased a 2013 Focus ST2 with 90,708 miles and so far i’m loving the car but, the dealership I bought it from didn’t know it had aftermarket parts or if they did, they didn’t say anything or didn’t care to check but from the way it looks I assumed there would be lol. Turns out I...

I didn’t think my first post here would be a bad one, but here goes… So the other day turn my car on and I see the engine maintenance light on and take it to get it checked out. Long story short they (Autozone) determined it was an underboost code… I need help, PLEASE, I have very little to no...

Hello, First time user of this forum. I did a ton of searching on this issue and I cant seem to find anything similar. I bought my 16 ST3 recently and the check engine light came on for both p0234 and p0299. over boost and under boost. I checked all the intake piping and vacuum lines going to...