Okay, drove my car today (been waiting for my title to be processed) & I noticed when taking off from a stop, acceleration feels sluggish (feels like I have no cataytic converter), but heres the thing. I have a bad hub bearing so my traction & abs work about 2 mins after startup. When the traction & abs are not on, it feels quick on takeoff. What could this be? I have all power going high speeds, its just when I take off.

Does the computer slow fuel/timing down on take off when abs/trac lights are on?

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2000 SSEi 4th Pontiac!! 231,xxx Current mods: Gutted AirBox w/ K&N drop in. Cleared Corners. Future mods: 3.5 pulley, 180* tstat, hi flow cat, solid motor mounts, Red-Tinted Turn Signal Tails, Projector Headlights, Turn Signal Mirrors.

Bump any help?

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2000 SSEi 4th Pontiac!! 231,xxx Current mods: Gutted AirBox w/ K&N drop in. Cleared Corners. Future mods: 3.5 pulley, 180* tstat, hi flow cat, solid motor mounts, Red-Tinted Turn Signal Tails, Projector Headlights, Turn Signal Mirrors.

If you are accelerating to the point where the tires would break loose, the traction control and torque management could very well be holding you back. Another possibility is that when the system activates again, the bad wheel hub could be sending false indication of wheel slip that the system attempts to correct. Replace the hub and see if things improve.

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*Gone, but not forgotten* - Black 2000 SSEi, HIR Headlights, Angel Eyes fogs, 3rd brake light overlay, hi-flo cat, 180 degree thermostat, HS 1.9 rockers, LSx yellow springs, Intense FWI, PCM, shift kit, push rods, and 3.4 Pulley. ZZP Power Log.

True, the faulty wheel speed sensor will cause the computer to pull timing and fuel to reduce power, thinking you are spinning the wheels when you may not be. A form of traction control and torque management to protect the drivetrain built into the programming. Replace the hub.

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2000 SSEi - SilverBullet - 78,000 kms, 4" "straight shot" custom headlight ram air inlet, TOGs, 1.9's, Lsd, 2.9-3.4"MPS 10-15 psi, Ported GenV, EGR eliminated, OR pushrods, oil volume kit, trani cooler & shift kit, Titanium retainers, 90 lb springs, 160 Stat, 42# injectors, Fuel pump voltage increase, Wideband O2, 3" to dual 2 1/2" Magnaflows, Snow Meth/water injection, after SC temp gauge, 255/50WR17, timing commander set 15-18*@WOT, 2 speed Fan over-ride, disabled DRL, Solid motor mount, Meziere Electric water pump, adjustable fuel pressure regulator, Drilled & slotted rotors/ceramics, GXP sway bars and STB, Upgraded and rebuilt transmission with ZZP 2500 rpm stall TC, Pioneer Bluetooth stereo with sub and 800 W amps, PB 13.5 quarter, (April 2014 car of the month)

Great info. Im going to replace the hub. Thanks guys

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2000 SSEi 4th Pontiac!! 231,xxx Current mods: Gutted AirBox w/ K&N drop in. Cleared Corners. Future mods: 3.5 pulley, 180* tstat, hi flow cat, solid motor mounts, Red-Tinted Turn Signal Tails, Projector Headlights, Turn Signal Mirrors.