engine code

Hello, I'm working on a manual 2004 Mustang GT 5 speed that's been making an awful tapping/rattling noise. It is very loud(hard to have a conversation close to the car while running) and is inconsistent. It seems to speed up with the engine, but the sound is off beat from the rhythm of the...

Howdy, my 95 is stalling with the clutch in, or in gear going down the road, seemingly at random, and it also doesn't start sometimes. I have a check engine code, 157, which is MAF sensor. Replaced the MAF, code persists, I'm thinking it might be a wiring issue, I checked all my grounds and...

I have an engine code for P0135. Sensor 1, Bank 1. I know that sensor 1 is upstream/front, but which side is Sensor 1? I’m not entirely sure. I ordered a new O2 sensor from AM to replace it. And also, is it before or on the catalytic converter? Thanks for any answers. I definitely want to get...