P1291 Diagnostic Trouble Code Discussion for April 2023
CNG Pressure Sensor Circuit Low Voltage
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| Help Request | Posted | |
| 2009 Chevrolet HHR LT 2.4L Surge, Surge, Surge VIN: 3GNCA23VX9 P1291: injector high side shorted to GND or V-BATT Bank 1. ... having a bit of an issue with this Chevy HHR - as for one I am getting a P0401 code but it seems the car doesn't have an EGR valve. The throttle body has been replaced but the vehicle is still idling high. Have tried disconnecting MAF to see if that... |
April 04, 2023 | |
| 2009 Chevrolet HHR LT 2.4L Surge, Surge, Surge VIN: 3GNCA23VX9 P1291: injector high side shorted to GND or V-BATT Bank 1. ... having a bit of an issue with this Chevy HHR - as for one I am getting a P0401 code but it seems the car doesn't have an EGR valve. The throttle body has been replaced but the vehicle is still idling high. Have tried disconnecting MAF to see if that... |
April 07, 2023 |
