My 04 stratus r/t coupe reading P0135-P0134 which sensor is it exactly, where is it located, and what is the sensor I need??? Part #???

20

Asked by Mar 16, 2017 at 09:40 PM about the 2004 Dodge Stratus R/T Coupe

Question type: Maintenance & Repair

15 Answers

74,715

Its a little more than just replacing a sensor, the condition of what caused the codes need to be checked out, but by the looks of it, you just have to replace a O2 sensor......P0134 DODGE - O2 Sensor 1/1 Circuit Open...Possible causes; Front Heated Oxygen Sensor Bank 1 harness is open or shorted, Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection, Faulty Front Heated Oxygen Sensor Bank 1, Inappropriate fuel pressure, Faulty fuel injectors, Intake air leaks may be faulty, Exhaust gas leaks.....Replacing the Front Heated Oxygen Sensor Bank 1 usually takes care of the problem.......P0135 - O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1...Possible causes; Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1, Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit fuse, Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit open shorted to ground, Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit poor electrical connection, Faulty Engine Control Module (ECM).

20

Thanks a lot Mark... I intend to inspect every inch of her.. Your advice is helpful and if I have further problems I'll be posting... Thanks again!!!!

74,715

I'll be here!

20

This sensor here is fried.... would that be upstream right or left???

20

Upstream right or left???

74,715

I can't see how the exhaust is, how do you know that one is fried? So your looking for O2, bank 1, O2 sensor 1 which is the sensor before the cat in the exhaust manifold.

20

The fact that it is black 3/4 of the way up the tip and I mean charred.. So, maybe best I just get an identical replacement sensor.. To avoid confusion...

74,715

Its running rich because of the faulty O2 sensor.

20

Is the 2.7 much different from the 3.0? Because I have the 3.0...

74,715

Much different in which way, the O2 sensors are different between the two engines.

20

That diagram above is for the 2.7....... I have the 3.0

74,715

Ok, got it figured out. The O2 sensor in the picture you showed is the Bank 1 O2 sensor 1...Bank 1 O2 sensor 1 is on the side of the number 1 piston.

20

Righteous man!!! Had a hunch that was it... 1 more question, is that upstream left?? Lol sorry to be a pest...

74,715

I can see how exactly the way the engine is sitting in the compartment bay to tell you. A wider picture, get the front of the engine or tell me where the front of the engine faces. Front of car, or does it face the right side fender?

20

Hope this helps...

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