Codes P0440, P0300, P0108, P0339, P0335, P0056, P0141... Is that all, You've got? - DodgeIntrepid.Net Forums - Dodge Intrepid, Concorde, 300m and Eagle Vision chat
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post #1 of 13 (permalink) Old 03-05-2019, 11:29 AM Thread Starter
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So, My car started out with P0056 and P0141 Codes which was pointing towards the bank 1 & bank 2, Sensor 2 Sensors....
I had caught Myself trying to "Clean" them when I was Installing the Engine by trying to burn the dirt/carbon off with propane torch (YouTube/Internet education gone wrong, I guess), but I must've burnt the heating elements in the sensors. So I figured no big deal, I'll just replace the sensors. I bought the sensors, went to take them out and quickly found out that it wasn't a quick run in the park as I thought. No room at all to get to the driver side Downstream O2 sensor and probably the same story for the passenger side. But, long story short, I had took the MAP Sensor out to give My hand some room to reach down to the O2 sensor, broke one of the plastic hooks inside the MAP Sensor connector clip (the plastic piece that Hooks the connector to the sensor and secures/locks it in Place) so now it easily pops off by pulling on it. That's the only thing I removed/unscrewed while I was trying to change the O2 sensor (and was still unsuccessful changing it.. SMH) Anyway, I put everything back together endured My defeat. Got ready for work, on My way, car started idling rough, If I put it neutral it dies, And if I step hard on the gas it jerks and wants to stall/dies. Now more codes showed up, MIL started flashing with P0440, P0108 and P0339. I was already half way to work and running late. I didn't have any choice at that time. I managed to get to work, it stalled/died couple of times on the way along with running erratic (RPM Would spike and drop occasionally). Then on My way back, new codes popped up P0300 and P0335, Bringing it to a Grand total of 7 Codes JUST THAT FAST/QUICK!!! Before I got back on the road on My way back, I tried to see if the connector clip came off or got loose, but, It's not, it's on there, although not as tight as it was.. So I thought something must've went wrong with the Crankshaft Position sensor (but how come?) Is the MAP Sensor tied up with the Crankshaft Position sensor?? Might I have interrupted something??. I was going to change the Crankshaft Position sensor and the MAP Sensor and hope that'll fix this whole new Problem... But, I'm just not confident that it'll solve it. Car ran fine before I did the above, it just had those 2 O2 sensor codes, but ran smooth and Beautifully.. How all of a suddenly all these other codes are showing up just from doing one thing??
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Last edited by ImpalaWitMe; 03-05-2019 at 11:32 AM.
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post #2 of 13 (permalink) Old 03-05-2019, 12:21 PM
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The common thread between the sensors is that they all run off of a single sensor power bus. IIRC, there are several pins out of the PCM to distribute the one sensor power voltage (so several wires daisy chained to several sensors each, but all of those wires connect to the sensor power in the PCM). One of the most common single-point failures that pulls down the sensor voltage bus is the a.c. pressure transducer going bad (shorting out). Remove the connector to the pressure transducer and see if the problems go away. If so, replace the a.c. pressure transducer.

As far as difficulties removing the O2 sensors, there are two types of O2 sensor wrenches in the parts stores. One is an in-line socket, and the other is an offset socket. (Both types have a slot cut in the side for the sensor wire.) If you have both types of O2 sensor wrenches, on a given sensor, one may not fit or work, but the other one will. I have also found that a 7/8" open-end wrench will work well to reach the downstream sensors. For extra torque to break a stubborn sensor loose, you can put a box-end wrench on the sensor after disconnecting the sensor wire and feeding it thru the wrench. The special sensor wrenches with the slot will slip if a lot of torque is needed, and of course an open-end can slip too. Box-end not so much.


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post #3 of 13 (permalink) Old 03-05-2019, 12:29 PM
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Offset O2 sensor wrench:




In-line O2 sensor wrench:

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post #4 of 13 (permalink) Old 03-05-2019, 12:32 PM Thread Starter
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Quote:
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The common thread between the sensors is that they all run off of a single sensor power bus. IIRC, there are several pins out of the PCM to distribute the one sensor power voltage (so several wires daisy chained to several sensors each, but all of those wires connect to the sensor power in the PCM). One of the most common single-point failures that pulls down the sensor voltage bus is the a.c. pressure transducer going bad (shorting out). Remove the connector to the pressure transducer and see if the problems go away. If so, replace the a.c. pressure transducer.

As far as difficulties removing the O2 sensors, there are two types of O2 sensor wrenches in the parts stores. One is an in-line socket, and the other is an offset socket. (Both types have a slot cut in the side for the sensor wire.) If you have both types of O2 sensor wrenches, on a given sensor, one may not fit or work, but the other one will. I have also found that a 7/8" open-end wrench will work well to reach the downstream sensors. For extra torque to break a stubborn sensor loose, you can put a box-end wrench on the sensor after disconnecting the sensor wire and feeding it thru the wrench. The special sensor wrenches with the slot will slip if a lot of torque is needed, and of course an open-end can slip too. Box-end not so much.
Thanks for the quick rescue P. I do have all the different sockets to remove the O2 sensor, it's like 3 different styles in it, t that I rented from AutoZone. But, I'm not even going to worry about that damn O2 Sensors anymore. Only thing it hurts is My gas Mileage. I can live with that. I just had all these problems just from trying to change them that I didn't have.

So, I'm just going to try the AC transducer thing and see if it works.
But, I can't understand how it'll go bad when all I unplugged was the MAP Sensor. But, I'm going right now to unplug it and see.. BRB.
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post #5 of 13 (permalink) Old 03-05-2019, 01:20 PM Thread Starter
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Well that didn't help P. I unplugged the pressure transducer and got an extra code P0129.
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post #6 of 13 (permalink) Old 03-05-2019, 05:05 PM
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Could it be possible you damaged the MAP sensor or the connector/wiring harness? Or the MAP sensor has failed. Shorting out and bringing down the sensor voltage source for the rest of the sensors.

You might want to check the Sensor Source voltage coming from the PCM at the MAP sensor connector. Both with it connected and not to see what the actual voltage is.
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post #7 of 13 (permalink) Old 03-05-2019, 05:11 PM
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Assuming you have a 2002-2004 car...you don't state and I'm too lazy to go back through your older threads to find out.......

Sensor 5 VDC supply/source is a Violet/White Stripe wire at the Map Sensor.
MAP Sensor Signal is a Dark Green/Red Stripe
MAP Sensor Ground is Black/Light Blue stripe.

Check the Violet/White wire for 5 volts dc when it's connected to the MAP and disconnected. THis will be with Ignition On or car Running.
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post #8 of 13 (permalink) Old 03-05-2019, 05:31 PM Thread Starter
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Quote:
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Assuming you have a 2002-2004 car...you don't state and I'm too lazy to go back through your older threads to find out.......

Sensor 5 VDC supply/source is a Violet/White Stripe wire at the Map Sensor.
MAP Sensor Signal is a Dark Green/Red Stripe
MAP Sensor Ground is Black/Light Blue stripe.

Check the Violet/White wire for 5 volts dc when it's connected to the MAP and disconnected. THis will be with Ignition On or car Running.
Sorry Ron, I thought I've whined enough around here about My cars that You would know, Lol.
But, this is the 2002 300m special.

I was initially thinking because the connector is not connected tighly was causing these problems, Because that thing was stuck on there when I was trying to unplug it, it would not come easily for sh*t, hence Me breaking one of the plastic clip pieces.... But, I'm starting to think that the MAP sensor went Bye-Bye when I removed it or something happened to it to damage it..

I'm terrible at doing all those little Multimeter readings, It never works out for Me, If You can remember with the starter issue. But, I was thinking of replacing the MAP Sensor with a New One to see if it'll fix it... But, first, I'm thinking of swapping the one off My 03 M to see if it'll make any difference to be sure...

Last edited by ImpalaWitMe; 03-05-2019 at 05:38 PM.
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post #9 of 13 (permalink) Old 03-06-2019, 12:00 AM Thread Starter
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I replaced the MAP Sensor, unhooked the battery, drove 16miles, only codes I have now are these 3 codes P0129, P0339 & P0056. We'll see what happens when I drive back again.
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post #10 of 13 (permalink) Old 03-06-2019, 12:54 AM
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Quote:
Originally Posted by ImpalaWitMe View Post
I replaced the MAP Sensor, unhooked the battery, drove 16miles, only codes I have now are these 3 codes P0129, P0339 & P0056. We'll see what happens when I drive back again.
Did you plug your AC pressure transducer back in yet?
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post #11 of 13 (permalink) Old 03-11-2019, 04:28 PM Thread Starter
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Quote:
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Quote:
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I replaced the MAP Sensor, unhooked the battery, drove 16miles, only codes I have now are these 3 codes P0129, P0339 & P0056. We'll see what happens when I drive back again.
Did you plug your AC pressure transducer back in yet?
Yes I did. And Why does this cars never seem to want everything fixed? As soon as one thing is fixed another Problem pops up. Damn.
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post #12 of 13 (permalink) Old 03-11-2019, 07:18 PM
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P0129
Barometic Pressure Out-of-Range
low
MAP sensor input voltage out of an acceptable range
detected during reading of barometric pressure.

P0339
Crankshaft Position Sensor Circuit
Intermittent
A rationality error has been detected for intermittent loss
of crankshaft position sensor.

Looks like you still have something going on with the MAP Sensor.

The CPS is either a Sensor crapping out or wiring.
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post #13 of 13 (permalink) Old 03-19-2019, 09:32 PM
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You happen 2 know the wire color on pin 3 of BCM black plug? Bob C. Solved THANKS 2 RONBO!

Last edited by bob c; 03-20-2019 at 08:53 PM.
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