Help please. Replaced MAF; still get CEL and Fuel trim code and Readiness failure ...
04-01-2006, 09:09 AM
#1
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Help please. Replaced MAF; still get CEL and Fuel trim code and Readiness failure ...
<center><img src="http://pictureposter.audiworld.com/51787/readiness.jpg"></center><p>and a new one for Power Supply Terminal 30
2 Faults Found:
18010 - Power Supply Terminal 30: Voltage too Low
P1602 - 35-10 - - - Intermittent
17544 - Fuel Trim: Bank 1 (Add): System too Lean
P1136 - 35-00 - -
Readiness: 0010 0001
Replace cat and O2 sensors?
Thanks,
2 Faults Found:
18010 - Power Supply Terminal 30: Voltage too Low
P1602 - 35-10 - - - Intermittent
17544 - Fuel Trim: Bank 1 (Add): System too Lean
P1136 - 35-00 - -
Readiness: 0010 0001
Replace cat and O2 sensors?
Thanks,
04-01-2006, 09:42 AM
#3
wait!
you need to check measuring block 32 before wasting time and money replacing o2 sensors. But first since you have already cleared codes you need to drive the car around 20 miles or so for new fuel trim numbers in measuring block 32.
If you are running lean at idle (more than -10% in zone 1) you most likely have a vacuum leak. Have you checked your vacuum lines and breather hoses?
If you are running lean at idle (more than -10% in zone 1) you most likely have a vacuum leak. Have you checked your vacuum lines and breather hoses?
04-01-2006, 01:15 PM
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Nope - the Readiness screenshot was before I cleared codes; and ...
after claring codes I drove awhile and got CEL and Readiness was Failed or Incomplete for the O2Sensor, Evap and Cat. I'm scratching my head if it's not the O2 Sensors.
Thanks,
Thanks,
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