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09-09-2022, 12:08 PM
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#1 | |
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In the 200 Club
Join Date: May 2007
Location: Calgary
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99 Alero Rough Idle, No Engine Light
1999 Alero 4Cyl, 130,000 km
It is idling rough. No engine light is showing up. Can it be plugs or other simple things even though there is no engine light present?
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1923 Model T 'Stake' Truck, see in Legends of the Fall 1949 Chevy 3/4 Ton, had 214 ci now 235ci 1959 Dodge Mayfair 1986 Ford Ranger 4 cyl 1993 Pontiac TransSport 3.8 1996 Chevy 3/4 Ton 4x4 1999 Oldsmobile Alero 2004 BMW 330i |
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09-09-2022, 01:05 PM
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#2 | |
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A990 racer
 Join Date: Mar 2002
Location: Chestertown, New York
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Re: 99 Alero Rough Idle, No Engine Light
Start by scanning it and look for pending codes, no way to diagnose this remotely.
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09-10-2022, 10:32 AM
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#3 | |
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In the 200 Club
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Location: Calgary
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Re: 99 Alero Rough Idle, No Engine Light
I will do a scan then. There is no engine light though. It would be interesting to see if there is a code even with no engine light.
I know that sometimes there can be carbon build up in the throttle body that causes rough idling (with no engine light present). It can be cleaned out for results. I will post my results.
__________________
1923 Model T 'Stake' Truck, see in Legends of the Fall 1949 Chevy 3/4 Ton, had 214 ci now 235ci 1959 Dodge Mayfair 1986 Ford Ranger 4 cyl 1993 Pontiac TransSport 3.8 1996 Chevy 3/4 Ton 4x4 1999 Oldsmobile Alero 2004 BMW 330i |
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