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Old 01-19-2009, 11:48 AM   #1
jfuller73
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Default Idle issues in a 2000 LS1

I have a 2000 LS1 2.2L. When the car is cold it runs great. But lately whenever the car is warm whenever I let it idle when I run in someplace or even just stop at a stop sign/light the engine shuts off. Also whenever it's left to idle it smells like burning rubber. Can someone help me?

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Old 01-19-2009, 12:14 PM   #2
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2003 L-Series 3.0L Sedan
Default Re: Idle issues in a 2000 LS1

Welcome to Saturnfans!

It seems like its time to start looking under the hood when you smell burning going on, don't you think? Park in a place free of drafts so you can take in the mal odor emanating from the engine once the hood is up. With the engine running you can visually track belt movement in line with all the pulleys. A belt partially off will be obvious. Shut off the engine and start sniffing around. Maybe its the serpentine belt since its the only rubber part that's dragged around all the accessories. You may see it binding/rubbing against something wedged or if it somehow came partially off the drive pulleys. Then there's the possibility of a seized bearing that may require belt removal to hand turn every pulley to locate the offending part refusing to rotate like the rest. A loose belt tensioner may allow slippage, same for a stretched belt that would heat up from normal loads like the alternator running all the extra electrical accessories during the cold weather. The alternator would try to refrain from spinning as the belt tries to spin it. If you can press down and deflect the belt between the pulleys easily with your fingers, the belt may be stretched.

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Old 01-19-2009, 12:18 PM   #3
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Default Re: Idle issues in a 2000 LS1

Could that cause the engine stalling also? Or would that be a completely different problem. I know absolutely nothing about cars so is the belt in a pretty obvious place?

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Welcome to Saturnfans!

It seems like its time to start looking under the hood when you smell burning going on, don't you think? Park in a place free of drafts so you can take in the mal odor emanating from the engine once the hood is up. With the engine running you can visually track belt movement in line with all the pulleys. A belt partially off will be obvious. Shut off the engine and start sniffing around. Maybe its the serpentine belt since its the only rubber part that's dragged around all the accessories. You may see it binding/rubbing against something wedged or if it somehow came partially off the drive pulleys. Then there's the possibility of a seized bearing that may require belt removal to hand turn every pulley to locate the offending part refusing to rotate like the rest.

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Old 01-19-2009, 12:26 PM   #4
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Default Re: Idle issues in a 2000 LS1

Yes it is - on the passenger side squeezed between the passenger wheel hump and the engine. Find and look at any front wheel drive car (almost all of our Saturns) in the other sections here for pictures of the various engines used for Saturn advertisement. You'll see different views of each engine. The 4-cylinder engines have the power take-off from the bottom crankshaft pulley driving the serpentine belt around all the accessory driven units; water pump, alternator, power steering pump, and a/c compressor. All Saturn engines are sideways mounted with the belt drive system on the passenger side, the transmission on the driver's side.

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Old 01-19-2009, 12:35 PM   #5
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Default Re: Idle issues in a 2000 LS1

I will try that. Thanks.

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Originally Posted by fdryer View Post
Yes it is - on the passenger side squeezed between the passenger wheel hump and the engine. Find and look at any front wheel drive car (almost all of our Saturns) in the other sections here for pictures of the various engines used for Saturn advertisement. You'll see different views of each engine. The 4-cylinder engines have the power take-off from the bottom crankshaft pulley driving the serpentine belt around all the accessory driven units; water pump, alternator, power steering pump, and a/c compressor. All Saturn engines are sideways mounted with the belt drive system on the passenger side, the transmission on the driver's side.

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