Live Data
Last reported case: 4 months ago
Based on 3 owner reports, 3 from forums)
What is P0345?
🚗P0345 on 2020 FORD Mustang
This page focuses specifically on P0345 issues reported by 2020 FORD Mustang owners. The experiences and fixes below are from real owners of this exact vehicle.
Symptoms Reported by 2020 FORD Mustang Owners:
misfireelectrical interferenceelectrical noise
Parts Often Involved:
slack chaincoil circuitignition coilcamshaft timingmotorrectifiercircuitalternatorcam phasercyl 6
What Owners Say
Real experiences from 2020 FORD Mustang owners
Warningvia forum_reply
“They created electrical noise that messed with the sine wave of the DC voltage and confused the PCM , thus it threw the code. An alternator can charge just fine but still have a failing rectifier.”View original
Experiencevia forum_reply
“I think we have time if he babies it. The engine has 180,000 miles on it, and so I think a cheap replacement would be justified if we plan on swapping the motor in the next year or two.”View original
Experiencevia forum_reply
“These seem pretty plausible as I can see a slack chain getting out of time with a hard rev followed by a quick slack. Parts don't seem horrifically expensive and the labor seems doable, though time consuming.”View original
Experiencevia forum_reply
“P0345 was a common code on 05-08 gt with an alternator that had a failing rectifier (diodes). They created electrical noise that messed with the sine wave of the DC voltage and confused the PCM , thus it threw the code.”View original
These are real experiences shared by 2020 FORD Mustang owners on automotive forums and communities. Results may vary based on vehicle condition and repair quality.
About This Data
This page aggregates 3 discussions about P0345 from 2020 FORD Mustang owners across automotive communities.
Success rate (0%) is calculated from posts where owners confirmed whether their fix resolved the issue.
Last updated: 9/10/2025