i just got the car and the abs light,brake light, and t/c light is on sometimes they go off and every thing works fine but after like 20 miles the lights pop back on any ideas on what it can be and how do i install a boost gauge
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03-10-2011
i just got the car and the abs light,brake light, and t/c light is on sometimes they go off and every thing works fine but after like 20 miles the lights pop back on any ideas on what it can be and how do i install a boost gauge
03-10-2011
Wheel hub bearing(s) are probably bad.
Originally Posted by W-Body Store
03-10-2011
would that explain when i floor it the front end vibrates lk a biatch and how hard are they to change
03-10-2011
hm maybe you need a alignment done and replace the hubs if you can figure out which ones are tripping the light
03-10-2011
Front end vibration under acceleration is generally an indication of a bad half shaft but could also be a hub.
The ABS issues sounds like an ABS sensor is having intermittent connection issues. The traction control/ Stabilitrac systems rely on the ABS sensors for information and if a wheel isn't reporting data it will disable the entire system and toss up those warning lights.
03-10-2011
how hard are the hubs to change ?
03-10-2011
Nut difficult at all. You just need some large wrenches...
We stock them too, the hubs that is.
03-10-2011
I had that problem one of the ABS sensor wires was rubbing and when I hit a bump I lost my ABS. If it's just a bad wire you could repair that section without trashing the hub bearing if it isn't bad yet.
03-10-2011
I wouldn't buy anything other than TIMKIN bearings from Autozone. Best hub assembly for the WBody platform.
03-10-2011
let's not forget SKF
03-10-2011
okay and i got anthor question when i floor the car when i get to about 4800 - 5000 its breakin up like its missin but when i put it in nutreal and rev it to 6 grand it dont miss at all
03-10-2011
Sounds like a trans/ shiftpoint issue. Are you using a stock pcm and tune?
Originally Posted by W-Body Store
03-10-2011
There's very little actual load on the engine when it's in neutral so many ignition problems don't show up in neutral. To me that sounds like an ignition issue. I'd take a look at the plugs and wires. It could also be a lack of fuel. There's really no way to know for certain without scanning but plugs and wires are always a safe bet when you're having problems like this.
03-10-2011
all i have done to the car is new spark plugs, msd wires ,intake and exhaust system and im on the stock pcm
03-10-2011
Put your stock wires back on and see if that makes a difference. MSD wires are notoriously crappy.
03-10-2011
it was doin it when i bought it and the stock wires were on before i did any mods
03-12-2011
Check the coils then
03-12-2011
are those msd coils any good
03-12-2011
No...I'm talking swap the coils around on your car and see if the misfire follows a certain cylinder...if so then you've got a crappy coil pack.
03-12-2011
i know what u mean im talkin bout replacing all of them with those msd coil packs
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