Question about 1999 Dodge Durango

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Engine will not idle after it warms up

Had a code for the oxygen sensor, replaced without any change.

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Ok you may have a vacuum leak some were get a carb spray and while the engine is running ceck by spraying around the intake and throttle body,then check your egr valve,then check your fuel pressure,also check the timing belt sprocket ,your camshaft lobes could be worn or damage

Posted on Jul 12, 2014


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Posted on Jan 02, 2017

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SOURCE: 2004 Dodge Ram 1500 4.7l

Code p0113 is for the intake air temp sensor. It probably did not get plugged in during the egnine replacement. That will not cuase it not to idle. I need more information for that concern.

Posted on Aug 29, 2008

  • 512 Answers

SOURCE: 2000 dodge intrepid 3.2 engine light on yesterday, code PO432

this is the code for catalytic convertor efficiency. if you decide to change the 02 sensor change both of the sensors for the left head...there is a good chance the convertor is going bad also depending on the miles

Posted on Dec 21, 2008

  • 135 Answers

SOURCE: check engine light on.

the problem is with the catalytic converter, there is a specific emission threshold that the exhaust must maintained. when it falls below this, you get this code. i just had to replace my converter for the same problem

Posted on Apr 27, 2009

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I seen this before first of all don't let the car dealer to BS the way to your money, most of the time is noting wrong whit the sensor it self but is the plug than goes in to the sensor this what i recommend is to buy another sensor from your local auto part store or salvage yard (cheaper) get three pieces of cable and solder directly in to the sensor brake the plastic around the sensor plug if necessary and secure the three cables to it put some silicon in between the solder and the place the new sensor on top of the old one so you now wish wire goes to which and cut and attach one by one. I now this works 100% i have done it my self many times if you need diagrams or sensor locations you can find that at now if you still have problems unplug all harness especially all the ones than comes from the back of the engine because that engine tends to leak oil on top of the harness if you have wires doing shortcut replace that section you can solder use heat string tube and change the insulation hose they sale those on part stores to put some zip tides on the ends and you will have your car back and will last Note don't let it get to close to the exhaust use zip tides to keep from touching hot areas.

Posted on Jun 10, 2009

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SOURCE: 2000 Dodge Durango is generating Check engine

Lets look at these codes and what they imply is a problem.
P0135 - O2 Sensor Heater Circuit Malfunction Bank 1 Sensor
P0155 - O2 Sensor Heater Circuit Malfunction Bank 2 Sensor
The O2 sensors in this system have tiny wire filament heater in them, this allows the O2 to reach operating temperature very fast, if you turn the key on and wait a few seconds on a cold engine you will feel the sensors get hot very quickly, hot enough to burn your fingers. Here are the reason's that cause the codes to set for the heater circuits of the sensors.

Heated Oxygen Sensor (H2OS) Banks 1 and 2 Sensor #1 circuit open shorted to ground.
- Heated Oxygen Sensor (H2OS) Banks 1 and 2 Sensor #1 circuit poor electrical connection.
- Faulty Heated Oxygen Sensor (H2OS) Banks 1 and 2 Sensor #1 circuit (both of them, no not likely)
- Heated Oxygen Sensor (H2OS) Banks 1 and 2 Sensor #1 circuit fuse or fuses blown/open. (Very likely)
- Faulty Engine Control Module (ECM) (very unlikely)

Posted on Sep 15, 2011

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I have a mazda 3 05 and code p2177 came up

Carlos, this code means that the fuel mixture is to lean during "off idle" [aka just above idle] operating conditions. Proper diagnosis requires a high amount of skill, experience and a real computer scan tool, not just a code reader. That said, the most common causes of this code are either bad oxygen sensor(s) or a bad MAF [Mass Air Flow] sensor. Once a vehicle gets above 70,000 miles on the odometer, the oxygen sensors start to slow down and fail. Often this happens without setting a fault code for a bad sensor. If your car has 100,000 miles or more on it, change the sensors regardless. Replacement of the oxygens sensors will improve your fuel mileage. Another common cause of this code is a vacuum leak.
PS In the future, always state the engine size for your car, as it came with either a 2.0 or 2.3 liter engine.

Aug 24, 2014 | Cars & Trucks

1 Answer

How to test oxygen sensor

When we detect a lean mixture code from our vehicles, our first reaction may be to replace the oxygen sensor. However, testing oxygen sensors before replacing them is a good idea. The best way to check the operation of the sensor is to run a simple test. And all you need is a voltmeter. A voltmeter is usually cheaper than car diagnostic tools and is available within 100 eurs. Here I will use an original Autel PowerScan PS100 for 56 eurs from EOBD2.FR.
How to check if your oxygen sensor is bad and needs to be replaced:
Step 1. Find the oxygen sensor sensing wire, connect Autel PS100 to the feedback wire and ground and then choose the mili volt operation.
Step 2. Turn on the ignition key to start the vehicle and run the engine at idle to warm it up. Watch data on PS100. The voltage should move slightly at whatever voltage the sensor is centered at.
Step 3. When you pull the oxygen sensor data stream up, the output voltage from the sensors should constantly bounce between high and low with the meter dropping and rising, as the engine is running in closed loop. The volt meter should stabilize at the original operating voltage when the engine returns to idle.
If your oxygen sensor does not show the above reactions, it is probably that it is bad.
Note: If the error code shows a malfunction exists with related components such as an engine misfire or other engine problems, please do not perform this test.

Jul 09, 2014 | 2000 Buick LeSabre

1 Answer

Engines idle goes up and down after warming up and blows blue smoke

If the engine idles for a while then blows blue smoke this is an indication of oil passing the valve stem seals and being burnt in the combustion process. ( When you are at lights and they change and you accelerate away leacing a cloud of blue smoke this is worn valve guides and failed valve stem seals) As for the idle it could be the oxygen sensor is coated with oil and soot and is malfunctioning henace the cpu cannot regulate the fuel setting correctly. Have the valve seals replaced and clean the Oxygen sensor and check for other fault codes

Feb 17, 2013 | Cars & Trucks

1 Answer

5.3 liter Chevy engine #1 Cylinder not firing at idle

My opinion...

Year? Miles?

There's no way I'd dive into a "HEAD GASKET"
diagnosis without pressure testing the cooling
system and (wet/dry) COMPRESSION testing
the whole engine...

Even if it is a "HEAD GASKET"... the entire engine
might be ready for a REFRESH... and tossing a new
Head gasket into a TIRED ENGINE not insubstantial
(a lot of wasted time & money)...

Come back with some compression numbers...

but don't bother with any of this if your engine oil has water in it.

(in my opinion)

Carnac the Magnificent

Apr 04, 2017 | 2005 Chevrolet Silverado 1500 2WD

1 Answer

03 s60 engine code p0133,replacet everything

P0133 - Oxygen Sensor Circuit Slow Response (Bank1, Sensor1)
This involves the front oxygen sensor on Bank 1. This code indicates the engine air fuel ratio is not being adjusted by the oxygen sensor signal or the ECM as expected to do so, or not adjusted as often as expected to do so once the engine is warmed or under normal engine use.

You will likely not notice any drivability problems, although there may be symptoms.

A code P0133 may mean that one or more of the following has happened:
The oxygen sensor is faulty
The wiring to the sensor is broken / frayed
There is an exhaust leak

Possible Solutions:
The simplest thing to do is to reset the code and see if it comes back.

If the code comes back, the problem is more than likely the front Bank 1 oxygen sensor. You will likely wind up replacing it but you should also consider these possible solutions:
Check and fix any exhaust leaks
Check for wiring problems (shorted, frayed wires)
Check the frequency and amplitude of the oxygen sensor (advanced)
Check for a deteriorating / contaminated oxygen sensor, replace if necessary
Check for inlet air leaks
Check the MAF sensor for proper operation

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

Feb 15, 2012 | 2003 Volvo S60

1 Answer


sounds like EGR valve and sensor this controls idle speed when at a stop. the po171 is a burn lean or rich code need to know what bank 1 or 2. also check for a vacuum leak from one of the hoses.

Aug 07, 2010 | 1998 Ford Contour

1 Answer

Trouble code p2000

P2000 NOx Trap Efficiency Below Threshold (Bank 1)

This code usually indicates a faulty oxygen sensor(s). However, in some instances it can also be used for a faulty catalytic converter as well, since the O2 sensors are located on the exhaust system along with the cat. converter(s). You should check your O2 sensors before replacing the catalytic converter. Here is a guide on checking these sensors.

All engines run on a optimum fuel to air mixture called "stokiometric" which means chemically balanced. This balanced fuel to air ratio is 14.7 to 1, 14.7 parts air to 1 part fuel. The oxygen sensor is created using the active chemical such as zirconium, electrochemical (also known as Galvanic), infrared, ultrasonic and very recently laser. When a lean mixture code is detected by you or a technician the first tendency is to replace the oxygen sensor. The best way to check the operation of the sensor is to run a simple test. No matter if your engines oxygen sensor has one wire or four there is only one sensing wire that feedbacks information to the PCM. To find this wire you will need a car repair manual. If a trouble code is present that pertains to a oxygen heater sensor failure, replace the sensor to repair the problem. A oxygen sensor must be warm before it will operate properly.

Warning: If a malfunction exists with related components such as an engine misfire or engine vacuum leak do not perform this test. The oxygen sensor to designed to operate within a particular range, if this range is exceeded the sensor will give the appearance that it has failed.


  • Step 1 - Once the oxygen sensor sensing wire has been located connect a volt meter to the feedback wire and ground. Select the millivolt operation on the meter.
  • Step 2 - Next, start and run the engine at idle until warm (about 15 minutes). Observe the voltmeter, it should bounce slightly at whatever voltage the sensor is centered at (about 150 millivolts).
  • Step 3 - Continue to observe the meter and have a helper rap the throttle. The meter should drop for a split second as the mixture leans out in the first milliseconds of the throttle bore being opened. Then quickly rise for a spit second as the throttle closes and the mixture richens. The volt meter should stabilize at the original operating voltage when the engine returns to idle.
Remember, if the sensor fails this test, replace it but if it passes, replace the Catalytic converter...

Please rate and have a great day:)

Apr 30, 2009 | Dodge Ram 3500 Cars & Trucks

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