p0131 p0151 p0171 p0174 1997 chevy tahoe

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2006 Saab 9-7X Service Engine Soon (SES) Light On/Diagnostic Trouble Code(s) (DTC) P0300, P0171 and P0174


Filed Under (Saab) by admin on 01-09-2013

download This bulletin is being revised to include additional information on 2007 model year usage. Please discard Corporate Bulletin Number 06-06-04-001 (Section 06 –Engine/Propulsion System). Condition Some customers may comment that the SES light is on. Diagnosis with a scan tool may reveal a DTC P0300, P0171, P0174. No other driveability or performance concerns may be reported. Cause The most likely cause of this issue may be that the fuel…

1997 Chevrolet Chevy K Pickup Circuit High Voltage Bank 2 Sensor 1 DTC P0152 HO2S


Filed Under (Chevrolet) by admin on 25-11-2013

download 1 important: before clearing dtcs, use the scan tool in order to record the freeze frame and the failure records for reference. This data will be lost when the clear dtc information function is used. Was the powertrain on-board diagnostic (obd) system check performed? — go to step 2 go to powertrain on board diagnostic (obd) system check 2 1. Connect the scan tool. 2. Run the engine at the normal operating temperature. 3. Place the veh…

1997 Mazda 626 Es Repair Manual Fuel Control, Ho2S Not Switching


Filed Under (Mazda) by admin on 18-03-2013

download Inspect engine for obvious defects in specified systems. Repair or replace as necessary. Dtc p0171 indicates air/fuel ratio is correcting rich for an overly lean condition. Dtc p0172 indicates air/fuel ratio is correcting lean for an overly rich condition. Possible causes are as follows: fuel system malfunction. Egr system malfunction. Air intake or vacuum system leak. Engine oil level too high. Excessive internal engine wear. Inspect…