[Vwdiesel] ECU Limiter

[James Hansen]

The 97 Passat, dead 99 Jetta, all are rev limited only, to what shows as
redline on the tach.
They pull up to a few hundred below redline without change in power.

Limits to acceleration can be fuel issues, boost issues, codes putting it
into limp, all manner of things.
Do you have access to vcds, you can map power with the dyno feature (not
sure what it's called these days) or map boost (MAP) and fuel flow on the
graphing function.

Clutch slippage can cause poor acceleration as well.

When you use the word acceleration, you mean by seat of the pants dyno, or
apparent g of acceleleration?
Available torque can stay the same, but acceleration rate drops due to gear
ratio, and it is very apparent in the top two.
-j



-----Original Message-----
From: vwdiesel-bounces at vwfans.com [mailto:vwdiesel-bounces at vwfans.com] On
Behalf Of Stephen Kraus
Sent: January-18-11 9:12 PM
To: vw fans
Subject: [Vwdiesel] ECU Limiter

Does anybody know if the ECU limits acceleration in different gears on a
1998 Jetta TDI?

It accelerates AWESOME in the first 3 gears, but in 4th and 5th it won't
accelerate as much, even floored.

Thoughts?
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