LT1-LT4 Modifications 1993-97 Gen II Small Block V8

ABS Inop Problem

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Old Jun 19, 2007 | 11:20 AM
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Default ABS Inop Problem

I have an annoying weird problem...

Every time I accelerate hard my abs inop light comes on, but once I restart the car it is gone. Just wondering if anyone has any direction in which to point me, thanks.

Mark
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Old Jun 19, 2007 | 01:32 PM
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I have that same problem but mine doesnt stay on. It comes on at certain point when i accelerate but as soon as i let out of it the light turns off. I stayed on one time and it just finally went out never did figure it out.
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Old Jun 19, 2007 | 01:37 PM
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I've seen this happen with big squishy tires, because they grow at different rates and become slightly different sized. I suppose it could hapen if your tires were inflated to different pressures? not real sure but something to check.

It turns off because restarting the car just resets the ABS.
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Old Jun 19, 2007 | 01:40 PM
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My 96's light would always come on when I turned the 4-ways on! Then when I restarted the car it would be off, I never did figure out why it did that.
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Old Jun 19, 2007 | 01:45 PM
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Originally Posted by SlowGreenTA
I've seen this happen with big squishy tires, because they grow at different rates and become slightly different sized. I suppose it could hapen if your tires were inflated to different pressures? not real sure but something to check.

It turns off because restarting the car just resets the ABS.
Why would the tires affect the ABS sensors? Not to sure on how that would affect anything with that.
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Old Jun 19, 2007 | 01:47 PM
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Because one tire is spinning at a different rate than the other, and it makes the ABS want to trigger. Thats the way I understood it anyway. Happens ALL the time on my friends '98. every time we put the MT Drags on it, even retuned for tire size etc. When we put a set of big ET streets on mine it did the same thing.
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Old Jun 19, 2007 | 01:52 PM
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o ok i guess i can see that. I wasnt even thinking of the rear tires. I was only thinking the fronts. And just a question (sorry off topic) but did the 93 T/A A4 come with Trac Control or the performance 2nd gear start (not sure what it is called)? People have been telling me that they all did and mine doesnt have that switch on the center consol but my gauge cluster does a a place where is says trac off.
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Old Jun 19, 2007 | 01:55 PM
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Mine wasnt factory equiped with Trac control either. I think it was probablly just a factory option.
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Old Jun 19, 2007 | 01:58 PM
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O ok that is what i thought, but my center piece had been changed out to the newer one. So i wasnt to sure. What about on that 2nd gear start switch?
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Old Jun 19, 2007 | 01:59 PM
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Never even seen one tbh. someone else will have to chime in on that.
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Old Jun 19, 2007 | 02:26 PM
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Slowgreen - I'm running 315 Nitto drs in the rear so I'll check the psi of them, appreciate it.
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Old Jun 19, 2007 | 09:33 PM
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my 95 does the same thing, no idea what is causing it. Some say it because of the gears in the rear end, not sure how that would affect it, and some say it's because I need to blead my brake lines...another words they were telling me my brake fluid was bad! Never really heard of that one either! But any whoot I just live with it!
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