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2005 dodge neon codes p0731, p0700, p0573 and p0720

I have a 2005 dodge neon sxt 2.0engine and just recently start having problems now i just recently changed the transmission shift solenoid in the car and im thinin i had changed the wrong part now the codes i recieved from autozone diagnostic test are p0731,p0700,p0573,and p0720the speedometer shows dat when im going 40 it stays on like 0 and as far as the rpm's go it jummps from 1to 3 without me nowing and also it jers and is hard to pick up speed check engine light has been on for 2 weeks now and the car has not been driven since please help me with this issue concerning the neon what parts do i need to purchase

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The codes listed all point to the transmission being in bad shape or some wiring got crossed. Check with a trans shop for an estimate.

Posted on Jul 18, 2009


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I have a 2004 dakota codes p0052 p0732 p0720 p0731 p0700. Bought non running and had a 3.7 installed got back and it jerks when taking off and won't shift out of 1st gear. Limp mode? Any ideas?

P0700 Transmission control system malfunction
P0720 output speed sensor circuit malfunction
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How many sensors o2 dodge neon have

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1 Answer

I have a 2004 dodge neon sxt and the codes im getting are, p0175, p0700 and p0731

1-P0175 is running rich. This will need to be checked by a mechanic unless you have some very expansive and highly technical machines too.
P0700 and p0731 both have to do with transmission malfunctions. Please - these things are not for at home unless you have the electronics2_bing.gif and know your way around the cars.
YOU CAN DO THIS - take down the VIN number and call the dealer - ask if any RECALLS are on your car2_bing.gif. This has saved many people thousands of dollars and you do not have to have bought the car new or even own it now to get these fixed.
1- Take the negative battery cable loose
2- Take the gas cap off and replace it [ really works
3- you might want to replace the air filter if you do not remember when the last time it was done.
4 - reattach the battery and drive the car for 20 minutes or so to see how that goes.

If this fails please take it to a dealer or a very reputable mechanic with the proper tools as you can end up making it worse because of the computers today.

Mar 22, 2010 | Dodge Neon Cars & Trucks

3 Answers

I have a 2004 dodge neon sxt and the codes im getting are, p0175, p0700 and p0731

Is it the 2.0? I have some codes for the 2.0. I had one! Fun to drive but always in the shop. Here is what i found...
p0175 - System too rich (bank 2)
p0700 - Transmission control system mil request
p0731 - First gear incorrect ratio

I hope this stuff helps!

Mar 22, 2010 | 2004 Dodge Neon

1 Answer

I have a 2005 Dodge Neon and the engine light came on. It has codes P0700 (Transmission Control System (MIL Request); P0720 Output Shaft Speed Sensor Circuit; P0731 Gear 1 Incorrect Ratio

a had the same problem. i am 99.9 percent sure that the wires going to the sensors underneathe the battery box and air intake are broke inside the insulation. Get to where you can see the connectors. remove the tape from both sensor connectors and give the wires a pull each wire done seperately. Mine was an orange wire and a purple wire. It is not noticeable by looking at the wires because it is the copper wire inside the insulation that will be broke. Find the broke ones and splice in new wire and the problem will be fixed.

Jan 05, 2010 | 2004 Dodge Neon

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2005 Dodge Neon SXT P0700 error code

check to see if your tentioner spring loaded pulley is operating properly.
i.e. you can move it with hand pressure it can be to hard to move or too easy.
both can cause this problem. loosen or tighten the retainer bolt.

Jul 24, 2009 | 2005 Dodge Neon

1 Answer

2005 PT Cruiser P0700, P0720, P0731 stuck in low and Speedometer


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