Mine did this but the rattling was from the rear of the car, the two lambda probes on the LH exhaust were lose and rattled on acceleration/deceleration. At steady throttle there was no rattle. I could only hear it when going less than 30 in low gears as road noise drowned it out going faster.
__________________
2003 Boxster 2.7L
2010 Civic Type R
|