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!997 C3500 No power great idle
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Question
veprk130
I just recently encountered a problem with my truck:
1997 C3500 CrewCab dually 7.4 vortec
One day is was running then the next it was not.
Engine has a hard start on cold, but when warm it idles evenly at 1000rpm.
Once I push the gas pedal it just bogs down with no power at all.
Here are the codes I found:
P0131 - O2 Sensor Circuit Low Voltage (bank 1 sensor 1)
P0150 - O2 Sensor Circuit Malfunction (bank 2 sensor 1)
P0151 - O2 Sensor Circuit Low Voltage (bank 2 sensor 1)
P0171 - System Too Lean (bank 1)
P0174 - System Too Lean (bank 2)
Any ideas would help. I was thinking replacing the 2 from O2 sensors.
Ruben
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