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2001 dodge ram 3.9L v6 problems HELP!

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  #1  
Old 03-04-2014, 11:48 AM
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Angry 2001 dodge ram 3.9L v6 problems HELP!

I have an 01 dodge ram. just bought it with 177000 miles on it. Im having two codes thrown but when took to a repair store they tell me itll always throw those codes since my cat is of. the codes are the P0031 and P0132.

here is what its doing when driven:
- will run for about 2-3 miles then boggs but when given gas to get speed it makes a tick noise in front end so i will stop and pull over and the truck wants to die but wont at all itll just have really bad idle. i shut it off wait for a few minutes start it back up and it acts perfectly fine until another couple miles. I have had the 02 sensors checked and they are fine. the cat is off and the motor is stock.

i need help figuring out what on earth its doing so i can get it to actually running. i dont got the spare money to buy random parts and take guesses i wanna know exactly what it could be! thanks. i just got the dang thing and its already acting up.
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  #2  
Old 03-04-2014, 11:55 AM
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Doesn't sound like the front O2 sensor is fine at all. Unplug it, go for a drive, see what happens.
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Old 03-04-2014, 12:13 PM
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both 02 sensors were told was good. i bought a new one and they told me its fine. its giving me the engine light because the cats off? how easy is it to do this and what will results do if unplugged?
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Old 03-04-2014, 12:26 PM
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Unplugging it won't hurt anything. (aside from a slight drop in fuel economy) But, if the truck runs better, then you know the sensor is indeed bad. O2's have a variety of failure modes, the fact that your truck will run good for a few, and then start screwing up coincides nicely with how long it takes for the O2 to warm up, and the PCM to start paying attention to it.

The rear O2 sensor code is because of the lack of a cat. Doesn't hurt anything, just annoying to have the lite on. You can do the non-fouler trick for the rear, and eliminate that problem. (there is a DIY in the FAQ section for just such an occasion.)
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Old 03-04-2014, 12:28 PM
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Awesome thanks! ill go look up how to unplug it and go give it a shot!
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Old 03-04-2014, 12:30 PM
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Make sure to unplug the FRONT O2 sensor. The connector is up on top of the trans, so, bring your arm with its three elbows.
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Old 03-04-2014, 12:41 PM
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can i unplug it from underneath? and uhhh no 3 elbows on this arm!

Ill have to do this later around 6pm. is this the only cause that will fix this problem?

Last edited by paigwallace; 03-04-2014 at 12:49 PM..
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Old 03-04-2014, 01:05 PM
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Also wanna know if a 2004 dodge ram hemi will fit into my 01 dodge ram v6?
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Old 03-04-2014, 01:30 PM
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Am I unplugging the up or down stream o2 sensor?
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Old 03-04-2014, 02:07 PM
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Yep, gotta crawl underneath to unplug it. Upstream sensor. (before the cat.)

The hemi will *fit*, but, it would be a major undertaking to make it run. Wiring is different, sensors are different, won't bolt to the current trans you have, new trans will want the correct PCM to make it work, etc.

Look at the thread by DDRI about doing a hemi swap.
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Old 03-04-2014, 02:10 PM
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Quote:
Originally Posted by paigwallace View Post
can i unplug it from underneath? and uhhh no 3 elbows on this arm!

Ill have to do this later around 6pm. is this the only cause that will fix this problem?
Yes it can be unplugged from underneath, the plug sits on top of the transmission. I'm currently having the exact same issue with my front O2 sensor. It's sitting at my house now waiting for the new stainless steel cat pipe to come in.

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Originally Posted by paigwallace View Post
Also wanna know if a 2004 dodge ram hemi will fit into my 01 dodge ram v6?
If by "fit" you mean swap the engines, then not without an enormous amount of time, money, and custom work.

Quote:
Originally Posted by paigwallace View Post
Am I unplugging the up or down stream o2 sensor?
The upstream o2 sensor
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Old 03-04-2014, 03:54 PM
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I have currently have a hemi and a transmission on the side. was just wondering if itll line up and fit into the 2001 style. o2 sensor unplugged did the exact same. but this time its at the shop! Just gonna have them take a look at it and go from there. Thanks!
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Old 03-04-2014, 05:00 PM
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Probably another sensor getting hot then.

Let us know what ya find out.
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Old 03-07-2014, 08:36 AM
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its taking the dang shop 3 days so far. they cant figure anything out on it other than its sucking air. hopefully the boss come in and gets it running tonight! will update when returned
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Old 03-24-2014, 09:28 PM
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Finally figured this dang problem out.. it was a burnt hole into the piston. $$$$$ hopefully end of this week its up and running like a beast!
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Old 03-24-2014, 09:31 PM
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Ouch, time to upgrade to a V-8?
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Old 03-26-2014, 08:49 AM
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If money was rolling in faster... This girls broke! maybe next time.
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Old 03-26-2014, 10:04 AM
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Yeah, know how that goes.....
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Old 04-07-2014, 09:21 AM
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well crappp. its not the piston. now its the head. hoping this part is hell of alot cheaper than a piston plus labor!! hoping its back in good hands today and they aint saying it is something else!!!!!!!!!!!!!!!!!!! its been a month without my truck. <-- feels like this is what they tell me every update i get.
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Old 04-07-2014, 11:09 AM
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Odd you weren't getting misfire codes if it's indeed either one of those issues??
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Old 04-07-2014, 11:09 AM
 
 
 
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