Question about Mitsubishi Lancer
Posted by Anonymous on
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Posted on Jan 02, 2017
There are only V6 endeavors in the US, are you certain you do not have a 3.8L V6?
Bank 1 refers to the side of the engine that contains cylinder number 1. This is the side of the engine nearest the firewall.
Sensor 1 refers to the first sensor off the manifold, or closest to the engine.
This also is the O2 sensor that is located before the catalytic converter in the manifold. Sensor 2 is located after the catalytic converter, further down below the car.
Posted on Oct 30, 2009
bank one upstream oxygen sensor on exhaust manifold bank two oxygen sensor after catalytic converter.tell me what code you are getting.bank 1 sensor 1 fuel system is too rich fuel pressure too high fuel pressure regulator leaking or more than 1 fuel injector leaking. fuel contaminated.check spark plugs if black carbon color fuel system too rich. if you getting code bank 1 sensor 2 check for air leaks in the exhaust system, air leaks intake manifold.look for vacuum lines leaks,look for vacuum leaks pcv valve and hose and make egr valve not stuck open or gasket leak.
Posted on Apr 15, 2011
Tips for a great answer:
Sep 28, 2012 | 2004 Mitsubishi Endeavor
Aug 22, 2012 | 2003 Mitsubishi Lancer
P0421....Warm Up Catalyst Efficiency Below Threshold (Bank 1)
check the heater circuits on the O2 sensors ,the two wires the same colour are the heater wires check across these two for 12v with ignition on and engine running
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Nov 29, 2008 | 2003 Mitsubishi Lancer
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