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#1
12-31-2008, 01:37 AM
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2000 surging!@#$
I am working on my brother's 2000, and thought I had seen it all since I have the same year Montana, but here goes. Thing runs fine, but whenever you have a high load-low rpm situation this thing goes crazy. Just surges like it's missing or something, mainly when going from 3rd to 4th gear and slight incline when the motor is lugging. I checked the plugs, all fine, checked the wires, and have 1000 ohms starting with shortest wire and goes up to 1700 on longest wire, so should all be fine. Is a coil bad? Can a guy test these? I am at my wits end with this POS, and am only fixing it so he can sell it in good running order
 I am starting to think this platform was one of the biggest failures of GM ever. 
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#2
01-06-2009, 10:02 AM
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Re: 2000 surging!@#$
check the fuel pressure.
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#3
01-06-2009, 10:06 AM
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Re: 2000 surging!@#$
Hold your foot on the brake just enough to turn on the brake lights but not enough that you feel the drag of the brakes. Did it make a difference?
The other thought is to unplug the MAF and take it for a drive.
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#4
01-06-2009, 02:44 PM
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Re: 2000 surging!@#$
Turns out I have a head gasket bad now, so the surging thing will have to wait till later
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