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08-27-2009, 09:11 AM
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#1 (permalink) |
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Ex and future Lotus owner
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Engine hesitates/stumbles at speed
I got an email today from the guy that bought my car. He said he was driving on the highway, and the car stumbles and lost power for 3 or 4 seconds. Its been OK since then. I'd only had that happen when the engine was cold, but I have a feeling the engine was warm. I've been thinking about it, and I'm not sure exactly what it may be. I was thinking dirty MAF maybe? Anybody have any ideas? I'd do a search but I'm on a blackberry and the search doesn't work right on this thing. Thanks.
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the1sen: why move forward with design when you can recreate a monstrosity from the past? |
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08-27-2009, 09:59 AM
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#2 (permalink) |
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User, Registered
Join Date: Sep 2005
Location: Leesburg, VA
Posts: 1,832
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Francis 2006 Chrome Orange Elise: LSD/TC, Nitron SAs with 425/650 springs, BWR 7/8" Front Bar, Eliseparts bumpsteer kit, VF Stage 2, 2bular Header + Sport Cat + 8x24 GT3 Muffler, ECU Tune by Jermaine, Smaay's fuel rail, ACT XT clutch, Saikou Michi dual catch can, Moroso pan, Manly's mount inserts & FF Engine Damper 2000 Black Integra Type R: - 213,000 miles...running again! Last edited by fpitas : 08-27-2009 at 10:24 AM. |
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08-27-2009, 10:11 AM
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#3 (permalink) | |
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Finally
Join Date: Mar 2007
Location: NJ
Posts: 479
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Quote:
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Bob in NJ 06 Sport Elise # 23 Stage II/Micromirror/Green wire mod/S111 tow hook/BWR front plate holder/Green filter/desnorkled/HID's-Hi & Low/Stealth Bulbs. |
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08-27-2009, 12:55 PM
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#4 (permalink) |
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Ex and future Lotus owner
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I don't know what the AC relay problem is. I can't search because of this POS blackberry curve. I can't even read the responses without replaying first, and seeing what's written below. I will check that problem out once I have access to a computer or some mobile device that isn't total trash. I should check to see if he was using the AC. Thank you for your responses.
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the1sen: why move forward with design when you can recreate a monstrosity from the past? |
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08-27-2009, 01:38 PM
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#5 (permalink) |
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Mountain Road Nut
Join Date: Mar 2004
Location: Ramona,CA
Posts: 2,292
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A dirty air filter will cause the engine to stumble as you describe. At first it will be very intermittant, then later become more common. Eventually it will cause rev limiting, and then a CEL.
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08-27-2009, 01:42 PM
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#6 (permalink) | |
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User, Registered
Join Date: Sep 2005
Location: Leesburg, VA
Posts: 1,832
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Quote:
BULLETIN Model: '06 Elise/Exige a.c. Service Manager Service Reception Supervisor Parts Manager Lotus Cars Limited, Norwich, Norfolk, NR14 8EZ. England. CLASS 3 TITLE: Momentary engine power interruption. REASON: It has been found that on a very small number of '06 model year cars, with an unfavourable tolerance a.c. control module, it is possible under some circumstances that sparking across the a.c. compressor relay contacts can cause a voltage spike which results in the engine ECU resetting. This will be experienced as a momentary interruption of engine power, and is likely to occur only very occasionally. It is also possible that a throttle related trouble code may be set. e.g. P0638. Action: If this symptom should be reported, it is recommended to replace the a.c./fan control module A117M0038F
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Francis 2006 Chrome Orange Elise: LSD/TC, Nitron SAs with 425/650 springs, BWR 7/8" Front Bar, Eliseparts bumpsteer kit, VF Stage 2, 2bular Header + Sport Cat + 8x24 GT3 Muffler, ECU Tune by Jermaine, Smaay's fuel rail, ACT XT clutch, Saikou Michi dual catch can, Moroso pan, Manly's mount inserts & FF Engine Damper 2000 Black Integra Type R: - 213,000 miles...running again! |
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