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I bought a 2002 Seville SLS from a dealer a couple months ago. 103098 miles. Now like 107300. This morning it was bit cooler and my windows were all fogged so I turned on the heat. 8 minutes or so later (while I'm on my phone) it stalls. Last night I disconnected the accelerometer which is the sensor under the back seat. Because it's been doing that thing where under normal driving the stability system kicks on and starts braking. I read somewhere to just disconnect it and the stability system will be disabled. But that is really not a fix to whatever the issue is.
As far as stalling/semi-rough idle my plan is to clean the EGR valve, throttle body, and any other intake components I think I can. And I say semi rough because it isn't noticable most the time but seems to be degrading over time. But does anyone know what it could be. Some say electrical, and I have noticed that when I turn on the headlights and the dash dims, it will sometimes brighten after I start driving. Some say fuel delivery, and I have also noticed that as I get lower on the tank the less robust the car seems.
Also when I bought it had the shimmy, I replaced the front hubs, outer tie rod ends(totally busted), sway bar and links, as well as put on EBC slotted/dimpled rotors, and Hawk performance ceramic pads. (Yes it brakes well..) And after a trip to the alignment shop it drove perfect, 80 down the highway no hands no worries. Whereas before I would have gone into the wall faster than you can say "I wish it was RWD though". I have the updated gm intermediate steering shaft but I decided I'd just have my mechanic put it in, plan to get that done on fall break here in a week. Yes it's doing the clunking noise under low to moderate acceleration and low speed turns.
Just got home from a 30 minute interstate commute, no shimmy still. But this morning I did notice a little which I'm guessing is because I may or may not have hit a square curb that just out into an intersection a few days ago. Oops.
But the alignment shop said I could bring it back for another alignment free since the sway bar links were still loose. Oops. Have some temp. ones on from napa that didn't fit and had to cut to get on.
But that's where my car stands atm. It chugs oil, and I just switched it to Castrol GTX conventional 10w-30 from pennzoil synthetic. Heard conventional burns less. Gonna jump over to 5w next change for fall/winter. I've been trying to do the WOT exercise but it's been hard for me to do so without having the 12 on my tail after 2 runs, ruining the whole point of it. Any insight to the stability sys and idling or really just in general would help, I know this is a long post but I figured best to put everything out there so you all have better context....
P.S. how's the sls on snow? coming from a Ford ranger things will be a little different
P.P.S. If you have shimmy then get under your car and look around some, also Jack it up and try to wiggle the wheels by putting your hands on opposite sides of the wheel. If it moves you could probably use new hubs.
As far as stalling/semi-rough idle my plan is to clean the EGR valve, throttle body, and any other intake components I think I can. And I say semi rough because it isn't noticable most the time but seems to be degrading over time. But does anyone know what it could be. Some say electrical, and I have noticed that when I turn on the headlights and the dash dims, it will sometimes brighten after I start driving. Some say fuel delivery, and I have also noticed that as I get lower on the tank the less robust the car seems.
Also when I bought it had the shimmy, I replaced the front hubs, outer tie rod ends(totally busted), sway bar and links, as well as put on EBC slotted/dimpled rotors, and Hawk performance ceramic pads. (Yes it brakes well..) And after a trip to the alignment shop it drove perfect, 80 down the highway no hands no worries. Whereas before I would have gone into the wall faster than you can say "I wish it was RWD though". I have the updated gm intermediate steering shaft but I decided I'd just have my mechanic put it in, plan to get that done on fall break here in a week. Yes it's doing the clunking noise under low to moderate acceleration and low speed turns.
Just got home from a 30 minute interstate commute, no shimmy still. But this morning I did notice a little which I'm guessing is because I may or may not have hit a square curb that just out into an intersection a few days ago. Oops.
But the alignment shop said I could bring it back for another alignment free since the sway bar links were still loose. Oops. Have some temp. ones on from napa that didn't fit and had to cut to get on.
But that's where my car stands atm. It chugs oil, and I just switched it to Castrol GTX conventional 10w-30 from pennzoil synthetic. Heard conventional burns less. Gonna jump over to 5w next change for fall/winter. I've been trying to do the WOT exercise but it's been hard for me to do so without having the 12 on my tail after 2 runs, ruining the whole point of it. Any insight to the stability sys and idling or really just in general would help, I know this is a long post but I figured best to put everything out there so you all have better context....
P.S. how's the sls on snow? coming from a Ford ranger things will be a little different
P.P.S. If you have shimmy then get under your car and look around some, also Jack it up and try to wiggle the wheels by putting your hands on opposite sides of the wheel. If it moves you could probably use new hubs.
