In addition to this thunking noise are wheel hop and wheel spin. As with the Focus ST and RS models, the Fiesta ST has gained selectable driving modes, with the most aggressive Track setting disabling the stability control and adding some more exhaust noise. Big news: the 2018 Fiesta ST’s 1.5-litre three-cylinder Ecoboost engine can turn into a 1.0-litre two-cylinder during low engine loads, to save fuel and cut emissions. Sounds fine throughout the rev range at idle (not a bearing knock, etc). When I accelerate enough to hear that beautiful low intake noise I get this vibration noise... Search "" across the entire site Search "" in this forum Search "" in this discussion. Ditto with a warm start. Welcome to the #1 Fiesta ST Forum and Fiesta ST community dedicated to Fiesta ST owners and enthusiasts. The result is a loud thunking noise. Welcome to the #1 Fiesta ST Forum and Fiesta ST community dedicated to Fiesta ST owners and enthusiasts. The noise is coming from the toothbelt (tiny vibrations from the belt made the sound). Only initial start of the day, or after sitting for a while.-No abnormal engine noise during idle cold/warm or during engine operation. It’s never good when the engine knocks. I had it changed two times. Register for an account, it's free and it's easy, so don't hesitate to join the Fiesta ST Forum today! After warming up (about 20 minutes driving with 100 km/h = 60 miles/h) my new 2014 Fiesta ST has a tapping/knocking noise coming from the engine. Eric H. '13 ST (Tux Black) - '04 SVTF (Screaming Yellow/EAP ZX3) - '02 SVTF (CD Silver - Vortech) Thought maybe it was a fluke or just engine noise echoing weirdly in the parking lot. It could be something with the pump if the camera is accentuating the noise but my gut says it is something loose that is vibrating at a specific rpm/engine harmonic. Advanced Search Cancel Login / Join. Adding a stiffer rear engine mount alleviates all of these issues while adding a minimal amount of vibrations. During a hard launch with sticky tires, the engine moves so much that it bumps into the firewall. We’ve outlined some of the most common issues that could cause your Fiesta to knock below. I found several cars in the www with the same problem. It solved the problem. First time they only changed the belt and the noise continued. My Fiesta 1,4 tdci from 2011 had the same problem. Loud Engine Noise problem of the 2012 Ford Fiesta 8 Failure Date: 09/14/2011 I recently purchased a brand new Ford Fiesta 2012, in the first week on using the car I stared to hear a loud sound and shaking movement when the car change speeds, I have taken the car to the dealership I purchased it from. This can make a diagnosis difficult. Once you rev the engine just a little bit the noise is gone but returns in a second. Home; ... Can you replicate the noise by grabbing the engine (passenger side) and pushing it forward and back? Second time the belt was changed again together with tooth belt tensioner. Engine Knocking Causes: Ford Fiesta. ... 2014 Fiesta ST, Tuxedo Black, Rado rims, Recaro seats. -On a repeat cold start (after a short trip) it makes no noise. The problem with engine knocking is that it can be caused by quite a few issues. Got in the car again after work and had the same noise reappear, only this time I popped open the hood to try and pinpoint it. With tooth belt tensioner vibrations from the belt made the sound ) a.! And Fiesta ST community dedicated to Fiesta ST community dedicated to Fiesta ST community dedicated Fiesta! Only initial start of the most common issues that could cause your Fiesta to knock below and. So do n't hesitate to join the Fiesta ST, Tuxedo Black, rims. A repeat cold start ( after a short trip ) it makes no noise engine ( passenger )... 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