Can under revving cause damage?
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Can under revving cause damage?
I've got into the habit when in traffic of letting the car coast at 1k rpm but when the traffic clears I pull away. The engine sounds like it's struggling as you'd expect and the car rumbles but am I actually causing any damage (det?) or is it just a little unhappy about doing it?
#4
dunno about the newage, but i know on the classics if your in traffic for a while, you get heat soak from the turbo to your TMIC. if you then suddenly pull away a bit nippy, it causes pinking. usualy, if i am in traffic for any length of time, when i get going again, i keep the revs low and acellerate gently till the TMIC has had some air over it to cool it a bit before i start driving normaly again
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I've got into the habit when in traffic of letting the car coast at 1k rpm but when the traffic clears I pull away. The engine sounds like it's struggling as you'd expect and the car rumbles but am I actually causing any damage (det?) or is it just a little unhappy about doing it?
JohnD
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I do try to accelerate gently after this but clearly the correct way would be to change down and maybe even feed in the clutch too.
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If the transmission is driving the wheels, the fuel is cut-off, if it's idling it's using fuel.
Not good to labour the engine IMHO.
dunx
P.S. I cruise downhill to work at 40 mph in top gear and it's fine, and sips a mere 16 mpg LOL
Not good to labour the engine IMHO.
dunx
P.S. I cruise downhill to work at 40 mph in top gear and it's fine, and sips a mere 16 mpg LOL
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