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2005 dodge durango 4.7 L i have this codes

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p0300,p0325,p2096,p0133, i need to pass...
2005 dodge durango 4.7 L i have this codes p0300,p0325,p2096,p0133, i need to pass connecticut emmission! i need help with this ! i change all 4 o2 sensors,cats and manifolds,intake gaskets looking for air leaks and nothing i still have the same codes
!!!!
Submitted: 2 years ago.Category: Dodge
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Answered in 17 minutes by:
11/17/2015
Dodge Mechanic: Roger, Auto Mechanic replied 2 years ago
Roger
Roger, Auto Mechanic
Category: Dodge
Satisfied Customers: 109
Experience: Automotive Technician
Verified

Hello, I'd be happy to help! First, there's actually a TSB relating to P0133, stating the the PCM needs to be reprogrammed. P0325 is related to the knock sensor and it's circuit, have you done anything related to that code yet? Do you have access to a scan tool that shows data and not just codes? I'd like to know what the fuel trims are showing as well.

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Customer reply replied 2 years ago
No i didn't change the knock sensor yet! And i believe this what you ask 1/1 short term adap (%) 0.2 to - 1.8
2/1 short term adap (%) -2.5 to 4.5
1/1 long term adap (%) -10.9
2/1 long term adap (%) -0.3
Is that is no what you need tell me . I have a solus pro !!!
Customer reply replied 2 years ago
When i was in the truck checking the codes and the info you ask ! I notice the truck rpms are go up and down! From 1000 rmp to 4 or 500 rmp ! And the engine wants to stop!!
Dodge Mechanic: Roger, Auto Mechanic replied 2 years ago

Ok bank 1 seems to be running rich, which is possibly due to that pcm update, what kind of o2 sensors did you replace them with? Exhaust leaks are very common on these and cause the p2096. Now, I'm sure you've tried checking but what process did you use to check for exhaust leaks? Even a very small one will throw this code because it's rediculously sensitive.

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Customer reply replied 2 years ago
I have a 80 gallons air compresor .i put air pressure through the tail pipe and with a spray bottle with wather and soap ! I spray all the junction, gaskets ! Looking for bubbles! And nothing
Dodge Mechanic: Roger, Auto Mechanic replied 2 years ago

Ok, I would take care of that rich condition first, it's possible it's leaning the mixture out when it shouldn't be causing the downstream o2 sensor to see an overly lean condition.

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Customer reply replied 2 years ago
Its a new o2 sensor ! So i have to take the truck to the dealer to reprogram the ecm ? Or you suggest to try another o2 sensor and see what happens?
Dodge Mechanic: Roger, Auto Mechanic replied 2 years ago

Because it has that TSB I would definitely have them see if it has the updated software first. Like I said, it's adjusting lean because it thinks it's running rich when it may not be because of faulty ecm software.

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Customer reply replied 2 years ago
Ok let me find out! And i get back to you asap!!!
Dodge Mechanic: Roger, Auto Mechanic replied 2 years ago

Ok sounds good.

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Customer reply replied 2 years ago
I just came back from the dealer they said is no updated for this durango
Dodge Mechanic: Roger, Auto Mechanic replied 2 years ago

Ok then you'll need to start by determining what's causing it to run rich. You could have a leaking fuel injector on that side, fuel pressure could be wrong, or you could have a bad new o2 sensor.

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Customer reply replied 2 years ago
I was tinking about that ! I check the injectors with my scanner! And fuel pressure with a gauge . the injector are working fine. ,the fuel pressure engine off 55 lbs engine on 60 to 65 lbs
Dodge Mechanic: Roger, Auto Mechanic replied 2 years ago

The scan tool wouldn't show you if the injectors are leaking or stuck open, that's what you need to look for. Relieve the fuel pressure, hook the pressure guage up and command the pump on with the scan tool then back off and let it sit for a little while and see how much fuel pressure drops with it just sitting

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Roger
Roger, Auto Mechanic
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