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A couple days ago the check engine light on my wife's 2017 Pacifica came on. The Bluedriver OBD2 reader showed a code P018C, which is low fuel pressure, and the fuel pressure sensor was showing 0 psi. A quick google search showed that this seems to be a common problem and eventually led me to this thread. Today I purchased a 52030445AA fuel rail and pressure sensor from the local Chrysler dealer for less than $40. Using Huntsaver's detailed instructional post above, it took less than 15 minutes to remove the old sensor tube and install the new one. After three short 1/2 mile trips, I was able to clear the check engine light with the Bluedriver, the fuel pressure showed a consistent 58 psi, and my wife is happy again. The only caution I would mention to others that do this repair themselves is that when installing the fitting under the air intake make absolutely sure the fitting is fully seated onto the stub. Mine wasn't fully seated until I felt the second bump. It makes me wonder if the reports in this thread about the leaking fuel rail were the result of failing to fully seat the fitting under the air intake. Anyway, thank you for this thread, and special thanks to Huntsaver for the instructions!
 

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Thank you for your post! They wanted me to pay $125 for just diagnosing the issue despite me telling them what it was and $100 for the repair. Instead it cost me $25 for the part. Same thing as above make sure that you feel a click on both reconnects before you push down the clip. Almost left it loose. But looks good and engine light is off now.
 

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Thank you for your post! They wanted me to pay $125 for just diagnosing the issue despite me telling them what it was and $100 for the repair. Instead it cost me $25 for the part. Same thing as above make sure that you feel a click on both reconnects before you push down the clip. Almost left it loose. But looks good and engine light is off now.
Hi Dmilmo,

We are very sorry to hear of your experience. If you ever need additional assistance, please feel free to free to send us a private message.

Alex
Chrysler Cares
 

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We are very sorry to hear of your experience. If you ever need additional assistance, please feel free to free to send us a private message.

Alex
Chrysler Cares
I'm hoping you are a real person, but I suspect you are simply a bot that is replying with canned responses.
 

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Do you happen to remember where you bought the part?
Quick google search will find multiple sites. It appears it is now considered a discontinued part and the sites that do have it have doubled and tripled the cost. Either a systematic dealer move for DIY’ers or some kind of Covid shortage? Who knows it’s 2020 and I wish you luck on your repair!!!
 

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Got the same error code. Bought the OEM part on eBay (dealership account). Although the price is higher than before, better than none. To depressure the fuel in the hose, you can leave the car off overnight and take fuse F43 out of fuse box and start the car until it dies. The hose attached to the quick connect fitting closed to the engine needs some force to take it out while push the while button on the quick connect fitting. Overall, no special tools are required for the replacement. Can be easily done by self. Not sure why dealer asked for $300 for labor and $130 for part.
 

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I was told by Mopar Parts Online - Save up to 40% at Mopar Parts Overstock that Chrysler has replaced that part with the following 2 parts. I ordered these. So let's see if install goes a planned.

68421782AA & 68137864AC

See email from support:

Chrysler has superseded (changed) this part to 68421782AA $49.73 AND WILL NEED A NEW WIRING KIT 68137864AC $33.46. For a difference of $13.52. The old number is no longer available for purchase from Chrysler and we no longer have stock in the old part number.
 

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I was told by Mopar Parts Online - Save up to 40% at Mopar Parts Overstock that Chrysler has replaced that part with the following 2 parts. I ordered these. So let's see if install goes a planned.

68421782AA & 68137864AC

See email from support:

Chrysler has superseded (changed) this part to 68421782AA $49.73 AND WILL NEED A NEW WIRING KIT 68137864AC $33.46. For a difference of $13.52. The old number is no longer available for purchase from Chrysler and we no longer have stock in the old part number.
Do you need to order both part numbers (68421782AA and 68137864AC) to replace the bad fuel rail pressure sensor?
 

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Based on the response I got from Mopar Parts Online, you'll need both of those parts. Together, I think the total was $85. Not sure if both are, necessary, but I ordered them just in case. Will post here after they arrive and we replace with an update.
 

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Ok great. I'm doing the exact same thing you are. I'll wait to see your response before I order. I appreciate it!
 

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Hey guys, we actually did the fix yesterday. Quite confusing with the new parts. The new rail comes with a completely new sensor (version 2). You'll need to splice the 3 wires into the new sensor connector.

When you do this, DO NOT line up the 1, 2, 3 wires the way it was in the original. This will throw a high fuel pressure code. When you rewire, this is the correct way:

1=blue
2=yellow
3=white

Reference this post for some more info - DTC P018C Fuel Rail Sensor covered?
 
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