P0301 and P0351 Codes - Engine ODB2 Fault Codes


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P0301 and P0351 Codes

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Auto Repair Home>> Automotive Repair>> Engine ODB2 Fault Codes

SteveK
New User

Jan 13, 2019, 12:40 PM

Post #1 of 4 (2479 views)

P0301 and P0351 Codes	Sign In

2012 Lincoln Navigator, 5.4 engine, 100,000 miles.
Driving down the highway this morning. All is good.
The Check Engine light starts blinking and I feel a misfire.
Codes read P0301 and P0351. (Cylinder 1) The coil reads 0.7 ohms. Same reading as another coil.
Please help me with the next steps I should take in diagnosing this problem.

Thank you very much!
SteveK

(This post was edited by SteveK on Jan 13, 2019, 3:29 PM)

Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Jan 14, 2019, 12:53 PM

Post #2 of 4 (2439 views)

Re: P0301 and P0351 Codes	Sign In

The P0301 is popping probably because of the P0351 code. The P0351 code is a primary ignition coil circuit malfunction. Does the coil have power and control. Inspect the coil connector, terminals, wiring, and harness. Look for damage, corrosion, or other clues. If you see nothing during your visual, your going to need to get hold of a noid light, 12 volt test light, and/or DVOM to make circuit checks.

Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Jan 14, 2019, 12:55 PM)

SteveK
New User

Jan 15, 2019, 9:23 AM

Post #3 of 4 (2411 views)

Re: P0301 and P0351 Codes	Sign In

I swapped the coils from Cylinder 1 to Cylinder 5.
The Code followed the swap.
I just ordered a new coil.
I will let you know if this ultimately fixes the problem.

Thank you very much for your help.

Steve

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jan 15, 2019, 1:20 PM

Post #4 of 4 (2403 views)

Re: P0301 and P0351 Codes	Sign In

Smart way to diagnose the problem.

Let us know if it's resolved so we can close this.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

(This post was edited by Hammer Time on Jan 15, 2019, 1:21 PM)

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