throttle

I lowered my car with 30mm H&R-springs a week ago and I've noticed that the throttle pedal seems to vibrate a bit when I give a little bit of gas in 1st and 2nd gear. It doesn't vibrate at all when I push down the throttle completely. The vibration is most noticable in 2nd gear but strangely...

I've been experiencing some vibration at about 70mph upwards when the engine is hot and under load. On checking with an OBD2 tool I get Error: P0121 - Throttle Position Sensor /Switch a circuit range performance problem. (I was advised by a mechanic friend that the sensor was the most likely...

Hey Guys Just picked up my new Type R the other day, and I was wondering if the throttle lag I'm experiencing is normal. When I press the accelerator pedal it takes about a tenth to a quarter of a second before the revs start to climb. I've experienced this before on other cars (Mercedes A...