I went ahead and replaced the spark plug and ignition coil, but it still sounds like it is misfiring.
Dec 12, 2019 at 3:50 AM
I had a code that cylinder one the ignition coil was bad
1999 FORD F-250
BUDDYVEGA
- MEMBER
- 7 POSTS
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I have also disconnected the plug and turned on the truck and it still makes the same loud noise as if it was plugged in. I assume it’s the ignition coil module but I just wanted to be sure.
Dec 12, 2019 at 4:01 AM
Good afternoon,
What was the code?
Can you upload a video of the noise you are describing?
Roy
What was the code?
Can you upload a video of the noise you are describing?
Roy
Dec 12, 2019 at 7:01 AM
Hello!
It was a P0351 and P1405.
It was a P0351 and P1405.
Dec 12, 2019 at 7:17 AM
Okay, 1405 is for the DPFE sensor. It could be the hose is off or broken. I attached a picture for you.
The 351 is a wiring issue for the coil. I attached a wiring diagram and highlighted the wires. One wire should have 12 volts with the key on. The other wire is pulsed to ground from a signal from the crank sensor.
Roy
The 351 is a wiring issue for the coil. I attached a wiring diagram and highlighted the wires. One wire should have 12 volts with the key on. The other wire is pulsed to ground from a signal from the crank sensor.
Roy
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Professional Diagram for 2CarPros Members
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Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Click here to log in and view diagram.
Dec 12, 2019 at 7:30 AM
Would it be best to change the whole module to that coil?
Dec 12, 2019 at 7:35 AM
There is no module. the control is the PCM. Check the voltage to the coil first.
What about the noise? Can you upload a video for me?
Roy
What about the noise? Can you upload a video for me?
Roy
Dec 12, 2019 at 7:43 AM
I speaking about the specific connecter to the coil. I’m not at my vehicle right now so I am unable but it is very similar to the sound of a bad spark plug/coil.
Dec 12, 2019 at 7:54 AM
Yes, check the voltage at the coil on number 1.
Roy
Roy
Dec 12, 2019 at 7:59 AM
With a multimeter, correct?
Dec 12, 2019 at 9:11 AM
Correct. Check for DC voltage.
Roy
Roy
Dec 12, 2019 at 9:23 AM
Thank you so much for your help!
Dec 12, 2019 at 9:31 AM
You are welcome.
Always glad to help.
Roy
Always glad to help.
Roy
Dec 12, 2019 at 12:07 PM
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