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Old 02-15-2006, 02:51 PM   #1 (permalink)
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Help! What is this plunger thing on my carb??

It's been disconnected as long as I've had the car. I hooked it up today and started the car, and it was stuck at WOT, so that's why it was disconnected!

What is it and what does it do? Should I replace it?

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Old 02-15-2006, 03:01 PM   #2 (permalink)
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dashpot, keeps the idle up a bit when you release the gas, so that it doesnt stall.
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Old 02-15-2006, 03:36 PM   #3 (permalink)
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But... it doesn't stall, in fact, the damn car idles at 1800rpm!
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89 MR2 MK1.5 - endless project. shiny, check. fast... almost installed...
89 MR2 SC - 314k! rims, cams, lsd, pulley, exhaust, intake, header, brakes, stereo, bushings... still going!
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98 Jeep GC 5.9 - Mopar intake, Mopar ECU, Edelbrock struts, lots of audio
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Old 02-15-2006, 06:05 PM   #4 (permalink)
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Thats because someones fucked with the carb.
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Old 02-16-2006, 09:47 AM   #5 (permalink)
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I set mine to idle at 1100 - 1200 so when I TURN THE fan, lights, and everything on it doesn't shake anymore lol
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Old 02-16-2006, 10:31 AM   #6 (permalink)
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The idle up should handle that.
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Old 02-16-2006, 11:40 AM   #7 (permalink)
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How do I adjust that? Any pix?
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89 MR2 MK1.5 - endless project. shiny, check. fast... almost installed...
89 MR2 SC - 314k! rims, cams, lsd, pulley, exhaust, intake, header, brakes, stereo, bushings... still going!
74 CB360 - Lots of cool cafe stuff
98 Jeep GC 5.9 - Mopar intake, Mopar ECU, Edelbrock struts, lots of audio
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Old 02-16-2006, 12:21 PM   #8 (permalink)
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Its with that plunger i think. Anyhow if the diaphragm is broken it wont work.
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Old 02-16-2006, 01:50 PM   #9 (permalink)
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It is very stiff. I wil replace it if it is cheap enough.
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89 MR2 SC - 314k! rims, cams, lsd, pulley, exhaust, intake, header, brakes, stereo, bushings... still going!
74 CB360 - Lots of cool cafe stuff
98 Jeep GC 5.9 - Mopar intake, Mopar ECU, Edelbrock struts, lots of audio
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Old 02-16-2006, 02:22 PM   #10 (permalink)
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Yeah, its stiff because theres a spring in it.
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