P0301, p0300 & p0303 - Ford Mustang Forum
 
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post #1 of 4 (permalink) Old 03-21-2016 Thread Starter
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P0301, p0300 & p0303

While making a right turn just a few blocks from home yesterday my car suddenly felt like it was bogging and chugging along with no power. The exhaust (Borla Axle Backs) sounded funny too. I noticed the CEL was blinking shortly after that but after maybe 30 seconds it stopped. The engine seemed to be running normally again and it ran fine the rest of the 20 miles to and back from my daughters house. I found the above codes in the computer memory, did a little googling and decided to check the cylinder 1 & 3 plugs, coils etc, as I'd read of a few cases were they were found loose (I think the P0300 code gets thrown anytime you have more than one cylinder misfiring).

Everything seems to look fine. The car has about 27K on it and there's been a Ford Racing Pro-Cal 91 octane tune in it for about a year and a half.

I erased the codes and drove the car to work this morning (46 miles) without further issue.

Any idea what happened and what to do if it returns?


-Jeff-
Ventura, CA
2013 GT Premium Brembo
MGW, Blow Fish, AM Hood Struts
Tinted, Borla Touring AB, ProCal Tune
Full Shelby/Kicker Audio Upgrade
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post #2 of 4 (permalink) Old 03-23-2016
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I am not sure the cause but my car did that one time and I don't remember the codes now. Seemed like it was missing and I limped it home and turned it off. And when I started it up it has ran fine ever since.

If it happens again I would call the dealer and have it towed in for inspection and service.


2013 GT, Track Pack, Recaros, Kooks Axlebacks, Airaid CAI, BMR Rear Adj. LCAs, BMR Relocation Brackets, JLT Oil Separator(s), Barton 2 Post Shifter Bracket, Steeda Motor Mounts, Barton Shifter, JHR Clutch line, BMR adj. UCA and Mount, Kooks 1 3/4 headers/catted H, DSS Al Shaft, BMR Loop, Vogtland Sport Springs front/BMR rear, Strange Adj. Struts/Shocks, Extended ball joints, Steeda Bumpsteer Kit, Whiteline Tranny Mount Bushing, Borla Overaxles, BMR Watts, Vorshlag 3" Ducts
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post #3 of 4 (permalink) Old 03-23-2016
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Might take a glance at this thread. https://www.allfordmustangs.com/forum...tallation.html

2011 Mustang GT Premium
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post #4 of 4 (permalink) Old 03-24-2016 Thread Starter
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Thanks for the replies guys, I've driven the car several hundred miles since the incident and so far it has not recurred.

-Jeff-
Ventura, CA
2013 GT Premium Brembo
MGW, Blow Fish, AM Hood Struts
Tinted, Borla Touring AB, ProCal Tune
Full Shelby/Kicker Audio Upgrade
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