code 2221 following R/Z mod

Orin Eman orin at WOLFENET.com
Tue Sep 19 01:19:19 EDT 2000


> 
> "Manifold Pressure too low, too high, control difference.
> Vacuum hose to ECU pressure sensor
> Vacuum hose missing or leaking,
> Check hose
> Symptom: Loss of Power"

Guess what the ECU uses to determine this.
The pressure sensor.  What did you just do?
You messed with the output of the pressure sensor.

Perhaps the zener is backwards.

Orin.



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