02-07-2013, 11:08 AM
Alternator load shouldn't vary your RPM by more than 100rpm tops, and it's less noticeable at higher RPM because there is less noticeable drag. When the glow plugs turn off, that's when you'll see (and hear) a difference. Everything else shouldn't bother it.
Current Car: Lexus CT200h 1.8 138, 2013, 19,500 miles
Previous Car: VW Passat 2.0 TDi 140, 2005, 136,000 miles
Previous Car: Peugeot 306 XLdt (stock!), 150,000 miles (I miss this car
)
Previous Car: VW Passat 2.0 TDi 140, 2005, 136,000 miles
Previous Car: Peugeot 306 XLdt (stock!), 150,000 miles (I miss this car
