How to check O2 sensor for p1128 code?
How to check O2 sensor for p1128 code?
No, check the O2 sensor 1/1 (for P1128 code) and O2 sensor 2/1 (for P1129 code) signal circuit for a short to ground, open or short to voltage and repair if necessary. Inspect the O2 sensor 1/1 (for P1128 code) and O2 sensor 2/1 (for P1129 code) connector and the PCM harness connector.
How to test p1128 Bank 1 and 2?
Turn the ignition on with the scan tool actuate the sensor 1/1 heater test (for P1128 code) and 2/1 heater test (for P1129 code). With the scan tool monitor O2 sensor 1/1 (for P1128 code) and 2/1 (for P1129 code) voltage for at least two minutes. Does the voltage stay above 4.5 volts?
What does p1128 mean in Powertrain Control Module?
The Powertrain Control Module ( PCM) detects a condition where the vehicle has remained in open loop fuel control, from a start-up condition, longer than a calibrated amount of time, when conditions would have otherwise closed loop operation. Need more information on how to fix the P1128 code?
Is there a pin to Terminal Contact in the O2 sensor?
Yes, verify that there is good pin to terminal contact in the O2 sensor and Powertrain Control Module connectors. if no problems are found, replace the O2 sensor. No, check the O2 sensor 1/1 (for P1128 code) and O2 sensor 2/1 (for P1129 code) signal circuit for a short to ground, open or short to voltage and repair if necessary.
No, check the O2 sensor 1/1 (for P1128 code) and O2 sensor 2/1 (for P1129 code) signal circuit for a short to ground, open or short to voltage and repair if necessary. Inspect the O2 sensor 1/1 (for P1128 code) and O2 sensor 2/1 (for P1129 code) connector and the PCM harness connector.
Turn the ignition on with the scan tool actuate the sensor 1/1 heater test (for P1128 code) and 2/1 heater test (for P1129 code). With the scan tool monitor O2 sensor 1/1 (for P1128 code) and 2/1 (for P1129 code) voltage for at least two minutes. Does the voltage stay above 4.5 volts?
Yes, verify that there is good pin to terminal contact in the O2 sensor and Powertrain Control Module connectors. if no problems are found, replace the O2 sensor. No, check the O2 sensor 1/1 (for P1128 code) and O2 sensor 2/1 (for P1129 code) signal circuit for a short to ground, open or short to voltage and repair if necessary.
The Powertrain Control Module ( PCM) detects a condition where the vehicle has remained in open loop fuel control, from a start-up condition, longer than a calibrated amount of time, when conditions would have otherwise closed loop operation. Need more information on how to fix the P1128 code?
