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Old 06-22-2003, 03:07 AM   #1
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Default 2000 SSEi idle surges

The 2000 SSEi has developed a wierd engine surge when idling afer you just start it and the engine is warm. It rarely does it, but it does every once and a while and it doesn't give you a great feeling. The normal idle speed is 800 RPM on that car, but sometimes it'll surge between 800 and 1,000 RPM extremely quickly. You can sit there and watch the tach jump up and down really fast and you can hear the engine, it sounds like somebody tapping the gas pedal on and off really fast. It sometimes does this bad enough the engine sounds like it'* going to stall, then all the sudden it'll jump up to around 1,800 RPM, then drop back down to 800 and it'll be fine after that. It is really wierd, but everytime it happens it lasts for the same amount of time (about 5 seconds) While the engine is surging like this it is vibrating a good amount.. you can actually feel it shaking bad. anyone have any ideas of why it would do this?
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Old 06-22-2003, 05:26 PM   #2
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I am thinking a bad plug or wire or a few bad plugs and wires, but I am not sure. If you sit in the car and just hold a rev at 1500 will it stop surging, or will it surge there too?
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Old 06-23-2003, 02:35 AM   #3
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Quote:
Originally Posted by dbtk2
I am thinking a bad plug or wire or a few bad plugs and wires, but I am not sure. If you sit in the car and just hold a rev at 1500 will it stop surging, or will it surge there too?
if it does surge it only does it at warm idle when the RPM'* are around 600 or so, then they will jump up and down on you. I also noticed that when the car is started cold the RPM"* will be around 1,000 and if you give it gas and rev it to say, 1,500 it'll stay at that RPM after you let off the gas for a few seconds (up to 5 maybe) then it'll drop back down. It'll even stay at 2,000 RPM if you rev it to that. it is really wierd. it drives fine in every other condition though.
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Old 06-23-2003, 03:59 PM   #4
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That is weird. I would change the plugs and wires just to get that possibility eliminated. If it isn't that I think it may be something with the MAF sensor or something. Change plugs and wires and then if it is still doing it look into the MAF sensor and things like that.
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