Mine does the same thing. Make sure the oil is changed regularly, but otherwise don't worry about it. It is probably an exhaust leak. The 1.9 will run forever as long as you are nice to them and keep the fluids changed.
Chris - Avid Winter Hater
2007 F-250 XLT 4x4 CC SB 6.0 PSD - ARP, IPR Gen2 EGR Delete, 4" turbo-back, no muffler, no cat, 6.4 banjo bolts, SCT X3, Tenney 270A alt, coolant filter, air bags, Ranchos, etc.
1994 Mustang GT - HCI, Novi2k blower, MM suspension parts, etc
Hope & A Prayer Motorsports
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