Too long for warn up engine, please help.
#1
Driver School Candidate
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Join Date: Dec 2010
Location: Missouri
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Too long for warn up engine, please help.
Hi,
I am new in here, I have my year 2000 GS300 for about one month, everything is OK. But ... in the morning when I start cold engine, it first speed to 1800r/m, then slow down to about 1200r/m --- takes 3 mins !
Can someone please let me know it this normal ? anything possible wrong ? any adjustment should do ? how ?
Thanks a lot !
Lawrence
I am new in here, I have my year 2000 GS300 for about one month, everything is OK. But ... in the morning when I start cold engine, it first speed to 1800r/m, then slow down to about 1200r/m --- takes 3 mins !
Can someone please let me know it this normal ? anything possible wrong ? any adjustment should do ? how ?
Thanks a lot !
Lawrence
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#9
Intermediate
My SC300 and my GS300 both take awhile to come down from 1500-1800 RPM. If you have thinner oil in the cold (i.e. 0w-30) the idle at start up is even higher. I made the mistake of starting my car once without an oil filter attached. It didn't get oil pressure and was hitting 2400 RPM on start. After adding a filter it was at 2400 until it got oil pressure then settled in around 1800 before warming to ~1K then, down to it's standard RPM at hot of 450-490. In the morning you can check this. When you first start the car, the RPMs start to go up and up for a second, then they come back down sharply. You kinda gotta pay attention to it. They will drop sharply -- you have oil pressure! It's the oil pump dragging the RPM back down. When I use 0w-30 oil, the oil pump doesn't get as much back pressure per flow rate, and the idle is higher. It's odd, and took me some time to figure that out given only the symptoms.
#14
Lexus Test Driver
iTrader: (8)
yea you all complaint about warming s*** when i had my 1976 lancer yes a lancer aka the dodge colt that in it self was like 10min wait on a cold day i use turn it on and run back home get dress that how long it took...
man i miss that car it took like $11 to fill her up
man i miss that car it took like $11 to fill her up
#15
I had a s imilar problem with my G4. If the car takes too long, and doesn't warm up to operating tempreture during cold days, while driving. Its could be a stuck thermostat.