Questions & Answers for: p1646 bank 1

bad code p1646 i have a problem code p1646 P1646 - Evaporative Emission (EVAP) Vent Solenoid Control Circuit P1646 is NOT an EVAP code - it refers to the upstream O2 sensor on bank 1.

...be very grateful Burkhard P1647 Linear O2 Sensor Control Chip (Bank 2) P1646 Linear O2 Sensor Control Chip (Bank 1) U have a lean engine air/fuel mixture for unknown reasons, check for vacuum

P1646 - Linear O2 Sensor Control Chip (Bank 1) Its listed as either a faulty heated HO2 sensor ie lambda sensor (upstream bank 1) or a short (presuming the ECM is OK as no other codes) Did you replace

P1646 Indicates a Power-train fault The fault is generally due to a problem in the Computer & Output Circuit area Fault Description:ECM HO2 Sensor control malfunction -bank 1 upstream (1/1) Action

...P1646 is a faulty heater circuit on bank 1 upstream o2 sensor. If you have the V6 2.5 petrol engine, then bank 1 is the exhaust manifold nearest the bulkhead ( firewall if you in the states). Replace ...

...engine fault code 1646 P1646 is a defective heater circuit on an o2 sensor. (bank 1 sensor1)I'm assuming you have the 2.5 V6 petrol engine? Replace the upstream sensor on bank1 to cure

P1646 Indicates a Power-train fault The fault is generally due to a problem in the Computer & Output Circuit area Fault Description:ECM HO2 Sensor control malfunction -bank 1 upstream (1/1) Action

P1646 Indicates a Power-train fault The fault is generally due to a problem in the Computer & Output Circuit area Fault Description:ECM HO2 Sensor control malfunction -bank 1 upstream (1/1) Action

...p1646 bank 1 sensor 1 o2 sensor control malfunction. Bank 1 is the rear bank and sensor 1 is the upstream sensor which you can see if you look between the engine inlet manifold and the brake ...

...P1646?2 weeks ago,codes were minus P1313&P1316 with P0057 added in.replaced bank2 downstream sensor,P0057 gone but 2 new codes popped up???? A similar post had a code P1314 as well as the codes I now ...