P0131 Diagnostic Trouble Code Discussion for December 2004
Air Fuel Sensor (Bank 1 Sensor 1) Circuit Low Input (Lean Shift)
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| Help Request | Posted | |
| 1999 Chevrolet Astro 4.3L Misfire VIN: IGBDM19W9X P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Input. hi guys i got problems with this van si missing at idle or on decel my scanne tool show missfire at #1 3 5 cylinder . i tes t fuel press is not droping , please i need help . thanks |
December 04, 2004 | |
| 1997 Chevrolet S10 4.3L Hesitation, Stall VIN: 1GTCS14X2V P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage. after this vech. warms up you cant fully accelerate, there is a bad enough hesitation that it can barely be driven. it idles perfect and just above idle is ok. all scan tool readings seen to be ok. fuel pressure is 55 psi. weather it is goofing up or not. alth... |
December 06, 2004 | |
| 1996 Chevrolet K2500 Cheyenne 5.7L Cuts out, MIL Lamp on VIN: 1GCGK29R7T P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage. while driving when under full throttle, truck looses all power, looses speed, but will never die. If you play with the throttle truck will reach higher speeds, but if you put it in 5th gear at 60 no matter what you do it will bog down. I think it is fuel relat... |
December 29, 2004 |
