A stock P38A does not wallow but it does float.
The ride in a P38A is like riding on a cushion of air (which it is) so bumps are absorbed better than coils. If dips and wanes cause discomfort or affect steering then chances are the shocks are on the way out or the air suspension is set too high.
Check the 5 (nope, there are only 4) air suspension indicator lights on the dash...
- If the bottom light is on, the car is in "access" mode and sitting on is bump stops. You will feel every bump on the road. You can't/shouldn't drive in this mode.
- If the second light is on, the car is in "low" mode. The ride should be quite firm with little body roll around coners. In EAS auto mode, this height is automatically selected above 80Km/h (after 30secs).
- If the third light is on, the car is in "normal" mode. The ride should be comfortable but with a bit more body roll around corners. Automatically selected below 55Km/h (after 30secs), but can be used above if the EAS inhibit switch is depressed.
- If the fourth/top light is on, the car is in "high" mode. It will wallow a fair bit as ride is soft due to the air bags being quite extended. Should always revert to "normal" mode when speed goes above 55Km/h.
- If the top light is on, the car is in "extended" mode. This is bad as it is not manually selectable and indicates there is an obstruction under the car. (there is no top/fifth light to indicate extended mode - my mistake)
You should also notice a fair amount of difference in power/handling/safety/comfort between the '96 and '99 models. The '99 model uses the updated "Thor" engine management system, 4 wheel traction control, side airbags and nicer interior trim.
Cheers, Paul.


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