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11-13-2015
So, drove to work this morning, car ran perfect. Came out after work, started the car, instantly started chugging with black smoke coming out the exhaust,went downhill from there.Had to have the car towed home. Any ideas
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11-14-2015
The kind of car might help...
Random guess is T connector under supercharger is broke.
11-14-2015
99 GTP. Turned out to be the MAF sensor.
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11-14-2015
Heck I'm having the same prob it chugs won't idle I have to keep my foot in the peddle just enough to keep it about 1000rpm it's a 2000 grandprix gt, I've unplugged the maf and others one at a time then all at a time and it makes a but of a different without the maf but still continues to act like it running rich as heck. I really think it is a sensor somewhere but just got hit HARD financially and cannot throw parts at it. I've cleaned the intake and maf with maf cleaner and it helps but it always comes back. I just baby it till I get home then if I have to leave again it runs great for a couple days. I'm frustrated but refuse to get rid of it. I LOVE my grand prix
Sent from my SPH-L720 using Tapatalk
11-14-2015
Oh and no relivent codes either. And I've plugged the scanner in dozens of times over the year. Just says left bank to rich or lean or right bank ect. Irritation follows and persistence ensues
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11-14-2015
One suggestion I got was a stuck open injector. Unplug one injector at a time, start it. If it runs worse, injector ok. If it runs the same or a little better, injector not ok. At least that's the advice given to me.
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11-14-2015
I would have disconnected the maf and drove home.
11-14-2015
Had I known that was the problem, I would have to. Save me a tow bill.
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