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MPG down, HP down
I would check and see if your knock sensor(s) are ok. You may want to see if you have any fault
codes stored in the ECM. The ECM will back off the timing if it detects a defective knock sensor.
>Subject: MPG down, HP down
>I have a 1990 90Q 20V and over the past six month I have noticed an
>increase in gas consumption
>(from 22MPG to 17.5MPG) and at the same time loss in overall HP espically
>under 4000RPM. TEXT DELETED>
>>Does anybody have some solutions?
>> Sent by: Michael Benno