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| 1999 Black Audi A3 1.8 Turbo Left Side View |
I have an 1999 Audi A3 1.8 Turbo. The problem with it is, (especially
in 3rd) gear when I’ve floored it for acceleration, and lift off the
gas, the car lurches forward. I’ve had it at Audi agents, and the only
error codes they found were battery disconnect, and temp sensor. I replaced the sensor, and just in case, the lower suspension mountings, also the dump
valve. It doesn’t always do this, but when it does, it seems to do it
just as the turbo has fully spooled up and is boosting. It now has no
error codes now, but still does this, but not every time. The catalytic converter was cut out and replaced with a straight pipe, and that’s pretty much all that has been done to it. What could the problem be?
Answer: Fix the exhaust system.
The car will not run right if you screw with it. Fuel trims & back
pressure are important. With the cat removed you should have all kinds
of codes unless it’s already chipped or your mechanic doesn’t know it
yet.
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