Guys, it's been a while here since I haven't been driving the MK3 lately. My 89 is a stock turbo. No mods have been performed. She has 147k on the clock, 5 spd. I've searched for a few days and can't get the right info. The car started jerking back and the engine light flashes when the turbo pops in. probably at about 4 psi. I just replaced the plugs and the wires to see if that was the problem, and although she now has more power, it still doing it. I tried boosting it today, and it did it, but I kept trying back to back and it just kept jerking. As soon as I let go of the pedal, the light goes off and she continues on driving normal. Drives normal without using the turbo. I was also getting a nasty smell in the cabin, but I've since disconnected the CC and the smell stopped. Has anyone experience this issue, and if so, what should I look into in order to fix the problem?. I'm blocking the EGR next. Thanks in advance.