'87 5000 tqa check engine light = code 2322 = intake air sensor = questions

[Alex Kowalski]

Also, one quick question:  Is your car just chipped, or chipped+wastegate spring?  If it's the latter, you should still see more than 1.1-1.2 bar even with the WG frequency valve system inoperative, and you have more than one problem.

Cheers,
Alex Kowalski
'87 5KCSTQ


> It definitely sounds like the IAT sensor is having a problem.  The sensor is 
> used by the ECU to control boost through the wastegate frequency valve system.   
> If the sensor isn't working properly, neither is the boost control system.
>