Emergency help

DesigningOblivion · May 13, 2018

I have a 2012 wrangler unlimited sport in right hand drive(bone stock) that I use for mail delivery. Yesterday was my first day using it on the route and it went into full limp mode. It had been toying with me for a while before this and being new to Jeeps I figured it was in eco mode or something. At first it would cap my rpms at 2500 in 3rd gear and on(pretty much after getting to highway speed) but it I really have it gas it would go higher. Now, full limp mode. First won’t go past 3k and every other gear stops at 2.5k rpms even with my foot to the floor.
In park it won’t go past 3.5k.
No dealerships are open where I live today and I’m on the route again tomorrow! I’m panicking at the moment. I’ve been reading for hours and the only thing I’ve learned is that it could be anything. I checked and the camshaft position sensor looks like it’s been replaced recently. It’s thrown a bunch of codes when looked up all point to that sensor. Other than that I have no idea please help!

wayoflife · May 13, 2018

Is your Jeep stock or is it running bigger tires or different gears? Are you getting lights on your dash like ABS, ESP or other wise?

DesigningOblivion · May 13, 2018

Bone stock, I’m getting the oil light and traction control light. Also have the GASCAP sign over the odometer but upon inspection it looks like that was from a hanging hose connecting to the evap. Also would take about 4 seconds of cranking for it to start all yesterday. Started it and drove it to the gas station this morning and it started fine. Everything was fine till I tried to get on it a little bit. Did a very hard shift at 3500 rpms and then back to limp mode

wayoflife · May 13, 2018

Okay, the traction control light could point to your problem being a bad speed sensor, one that has a loose or chaffed wire or one that is unplugged. The hard start and hard shift could point to it being a camshaft position sensor. Being that you said you got a code for that, it's more than likely your problem.

Snboarder113 · May 13, 2018

What codes come back after being cleared? Also completely off topic but does it feel just weird as shit driving on the other side of the car?

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Zstairlessone · May 13, 2018

...and disconnect the battery for about 15 minutes, it’s worth a try

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DesigningOblivion · May 13, 2018

So update. I had the negative terminal off for about 45 minutes. Seemed to clear all the codes and everything was fine. About 10 minutes of driving to the auto parts store and back and the oil light and traction control light came back on, aaand back into limp mode.
The camshaft position sensor looks pretty damn new which makes me wonder, because yeah all the codes point to that. Might not have anything to do with it but if it helps the Jeep warms up insanely fast. 2 minutes of idle and it’ll be all the way warmed up

DesigningOblivion · May 13, 2018

Also, I have no idea what wire it is or what it’s for but there is a hanging one. I’ll get a picture shortly

DesigningOblivion · May 13, 2018

Here are some pictures

Samuelh3 · May 14, 2018

Oil level?

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DesigningOblivion · May 14, 2018

Oil level was fine and I haven’t found any leaks

Samuelh3 · May 14, 2018

Transmission oil level as well?

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DesigningOblivion · May 15, 2018

Update.
Took it to the dealership near me. They said they checked all wires and no signal was coming from the camshaft position sensor. So I bought one, swapped them out, and it’s still in mucho limp mode. Pretty hosed at the moment

jeeeep · May 15, 2018

DesigningOblivion said:
Update.
Took it to the dealership near me. They said they checked all wires and no signal was coming from the camshaft position sensor. So I bought one, swapped them out, and it’s still in mucho limp mode. Pretty hosed at the moment

did they do any other diagnostics? PCM, crankshaft position sensor, starter, wiring harness any corroded or broken wires to the battery?

DesigningOblivion · May 15, 2018

From what he said they checked the wiring harness and everything leading too/from the sensor. Not sure about anything else. I’ll have to take it back today

DesigningOblivion · May 24, 2018

Update! After being at Aamco for a week they figured out the ground wire inside the connector itself that connects to the camshaft position sensor was either cracked or broken(can’t remember how he phrased it)
So if this works I’ll post a solved thread! I’ll find out Friday

WJCO · May 24, 2018

DesigningOblivion said:
Update! After being at Aamco for a week they figured out the ground wire inside the connector itself that connects to the camshaft position sensor was either cracked or broken(can’t remember how he phrased it)
So if this works I’ll post a solved thread! I’ll find out Friday

Hope it's fixed. Blows me away that an Aamco found it over a dealership, but hope they did.

JK_MARINE_93 · Apr 29, 2019

Been having the exact same problem with a little bit of extra problems! But I just saw this thread and I’m going to the dealership in about 20 minutes to see what’s wrong. I really want to know what happened to your JEEP !

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