Engine Revs a little Higher in the Morning
#1
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Engine Revs a little Higher in the Morning
It's a 2007 IS-350 with about 56K miles on it. No major engine work or issues other than maintenance work.
I'm currently in Nor Cal and it is a little colder in the Morning. About 35-40F degrees. But the car is parked in a garage and according to my climate control it about 58F in the garage when I start the car.
After starting the car and letting it sit for about 90 seconds, I drive off slowly (under 2500 RPMS). After driving like a mile and waiting at a stop light, I notice the car revs at about 1000 rpms instead of the usual 600 rpms. When letting off the brakes, the car would move pretty quick rather than the usual creep / crawl when the car revs at the usual 600 rpms.
Is this just the cold weather or is there something more serious with the car. The car has Mobil 1 5W-30
Thanks.
I'm currently in Nor Cal and it is a little colder in the Morning. About 35-40F degrees. But the car is parked in a garage and according to my climate control it about 58F in the garage when I start the car.
After starting the car and letting it sit for about 90 seconds, I drive off slowly (under 2500 RPMS). After driving like a mile and waiting at a stop light, I notice the car revs at about 1000 rpms instead of the usual 600 rpms. When letting off the brakes, the car would move pretty quick rather than the usual creep / crawl when the car revs at the usual 600 rpms.
Is this just the cold weather or is there something more serious with the car. The car has Mobil 1 5W-30
Thanks.
#3
Lexus Test Driver
Normal. All cars do this when cold. In the old days, there was something called a "choke" that kept the rpm's up until warm. Now it's all electronic, but the same effect.
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#8
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Cold......... man I wish I lived where you are! We get down to -30 to -40 Celsius here overnight which is about -22 to -40 Fahrenheit, lol. Mine stays around 1500 rpm trying to get warmed up and eventually goes to normal rpm's when warm....
#9
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I get the same deal in the morning now because of the "cold" weather. It's totally normal. I noticed running 0w30 oil instead has made the car feel a little smoother during a cold start and when initially driving the car to get it warmed up. Not a huge difference though.
#10
completely normal. When I start my IS250 its loud in the parking lot but after 2-3 mins of idling it shuts up. then about 5-10mins norman driving it is completely warmed up and shifts normally.
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