Question about 2001 Oldsmobile Bravada
The anti syphon valve is in the filler hose on top of the fuel tank, if you drop the fuel tank then pull the filler hose off you should be able to see the problem. Also check the air bleed is not plugged as it will not allow the tank to fill.
Posted on Dec 02, 2009
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Posted on Jan 02, 2017
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A/T Diagnosis Communication Line Malfunction Possible Causes:
Trouble Code: P0100
Mass Airflow Sensor Circuit Malfunction
Air Intake leaks located after the MAF sensor assembly MAF sensor signal circuit is open, shorted to ground or power MAF sensor has failed PCM has failed
Trouble Code: P1605
TCM communication line circuit is open or shorted to ground TCM communication line circuit shorted to VREF or power (B+) TCM or PCM has failed TSB 01-004 (01/01) contains information related to this code
For the P0100, check the connector on top of the MAF sesnor for looseness or corrosion. Connector is on top in piocture below.
A/T Diagnosis Communication Line Malfunction
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