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BigMo82

Error Codes P0057 And P0154

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Been having issues with white smoke from the exhaust. The engine management light was on so I checked and it was showing an error code of P0057 which was bank 2 sensor 2. I reset the code and it would pop back within 5 miles of driving. Yesterday checked again and I had the same code showing but also P0154. Could this be the cat causing these sensors to go off?

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Also just to add my fuel consumption has got a lot worse since the second code has come up.

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check for air leaks before you spend anything

check after maf to manifold including all vac lines

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Thanks for the reply Robster. Im not so clued up with engines and my mechanic seems to be quite dismissive these days. I need to find a mechanic in london who can take a look. Was looking at tech one in sidcup. Any suggestions? dont want to go to the main dealer as it expensive and they dont always get it right first time.

Mo

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I have been having uneven idling since the codes have popped up. My idle seems to drop to 600 every now and again and i can feel a slight vibration through the steering. If I touch the accelerator and get the revs to 800 the engine gets nice and quite and there is next to no vibration, you can hardly tell its even started.

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dont know much about your engine setup but id look at the harness and plugs going to the lambda sensors.

then start checking the sensor heater circuits and feedback.

i think the 2 you have codes for are to the left

one before and one after cat so sounds ok as you still have a code before cat

am i right in thinking pin 1 and 2 on each lambda shouls read between 1.8 to 3.8 ohms or similar?

i could be totally wrong as i say havent worked on this engine

sure someone will add more input

have you changed your spark plugs recently? may be needing a new set, can cause stupid problems sometimes

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Rob checked the plugs and pushed the wires a little and now I'm back to the original fault code of just P0057. Funny how these sensors cause soo much grief. I had a Carina GTi for years without any problems and my dad still has an old Estima and again it's never missed a beat. I just wish cars could be simpler and less electrical sometimes.

Mo

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