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least common denominator
Join Date: Aug 2001
Location: San Pedro,CA
Posts: 22,506
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Idle stumble every 5 sec.?
Driving the old 944 around and a new bug appeared. I had been driving around about half an hour - air temp aprox. 60F - Pull to stop light - idle drops to 800-900 for one sec. then goes to normal 1000-1100 then does it again. I notice it seems to be at regular intervals - I count it out and it is about every five seconds.
The car accelerates fine and otherwise seems to run well. Any ideas? I am taking the car in to a mechanic for a t-belt job March/April so I would like to get as many little fixes in before that. You know how it is when you take a car to the shop "oh buddy your gonna need a whole new framis system!" TIA
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Gary Fisher 29er 2019 Kia Stinger 2.0t gone  1995 Miata Sold 1984 944 Sold I am not lost for I know where I am, however where I am is lost. - Winnie the poo. |
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02-11-2003, 01:07 PM
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unplug your lambda and see if it still does it.
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*Disclaimer: The person above is actually dumber than he appears. my web site Torque values maintainance and repairs lots of my rebuild pics weights and measurements '84 944 auto/ps/ac/cc '86 951 Providing ignorance one post at a time. |
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02-11-2003, 04:23 PM
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least common denominator
Join Date: Aug 2001
Location: San Pedro,CA
Posts: 22,506
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Quote:
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Gary Fisher 29er 2019 Kia Stinger 2.0t gone 1995 Miata Sold 1984 944 Sold I am not lost for I know where I am, however where I am is lost. - Winnie the poo. |
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02-12-2003, 09:59 AM
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Registered
Join Date: Feb 2001
Location: Viera FL
Posts: 5,642
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Yep, O2 sensor
If it is running fine otherwise, I am more inclinded to believe O2. If it were running rougher, I would think vacuum leak. Sorry, vague, I know, but this is one of those "could be one of 4 different things" problems AFJuvat
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Es geht nicht darum wie schnell man faehrt, sondern wie gut man schnell fahren kann. Ihr Brunnen der nutzlosen Porsche Information |
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02-12-2003, 10:04 AM
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'84 Porsche 944 2.5L
