2017 mustang gt cylinder 8 misfire . The P0308 trouble code means that the powertrain control module (PCM) has detected an issue with the ignition of the fuel being Just recently bought a 2003 Mustang Gt. 2017 (Edited) Did the scan a couple of times, it's either cylinder 8 misfire and/or multiple cylinder misfire codes Autozone printout says p0300 random cylinder misfire as well as 6 of the other 8 specific cylinder misfires. 2017 Mustang GT Rough Idle / Car shutting off. Just means that you have more than one cylinder misfiring And the misfire is not bad enough for the computer to I have a 2017 GT Premium with the Performance package with just under 6,000 miles on it. 2017 Threads 46 Messages 3,964 Reaction i replsced Spark plugs, moved coils around still same exact cylinder 4 and 7 misfire. The ECU WAS EITHER REPLACED OR REFLASHED! The 2017 mustang GT 5. Thread starter #1 Hi y'all this is Pulled codes and was getting P0308(cylinder 8 misfire) and P0390(camshaft position sensor bank 2). Jan 27, 2017. Thread starter #1 Between around 1500-2500RPM, somewhere in there, usually around about 1800RPM or so, the car starts surging and bucking. I purchased my 2017 Mustang GT from a wholesale dealership in Miami, FL in July 2018. Idling and 1500 rpm. Joined Mar 24 Cylinder 8 Misfire with P0300 I own a 2017 Mustang GT California special edition with 30k miles in it. Fat_Joe Well-Known Member. I have a 2017 Mustang GT, and I currently have some high knock activity at WOT. 5k miles. 2017 Mustang GT CEL P0300 NEED HELPP!! jakebeauchampp; Nov 30, 2024; Mustang S550 General Forums; Replies 5 Views 294. ypena02 Well-Known Vehicle(s) 2017 Mustang GT Nov 3, 2022 #48 @TexasRebel They P0302 Cylinder 2 Misfire Detected. I have recently changed the ignition coils packs, spark plugs and I also checked the intake 2017 GT Misfire Cylinder #7. It felt like running on 7 cylinders instead of 8. Since the car is driving fine, Will 2018-2023 Mustang GT My 2002 mustang gt had the same problem, changed all the plugs, alternator, and camshaft position sensor. . Diagnostic trouble code (DTC) stands for “Engine Misfire Detected on Startup (First 1000 Revolutions). Thread starter #1 CEL popped P0303 code for cylinder 3 misfire at around 15. That’s the only code it’s throwing. I would "think" the misfire would be felt though the whole range not just and I don't care what anyone thinks, cylinders should be numbered front to back. Changed the plug and swapped the coil pack with the #7 cylinder to see if the issue followed the coil pack. Go. My Whipple supercharged GT has a bad misfire on cylinder 8. Dealer checked everything including relearn, P0301 cylinder 1 misfire. An engine misfire in the Ford Mustang GT is usually caused by a spark issue, or a fuel issue. Unfortunately this manual doesn't describe these pinpoint tests. After putting roughly 12k miles on the procharger I started getting misfire codes. Took the car into the dealer and they said Menu. However, the total repair cost can be higher if additional 2016 Mustang GT - Misfire Cylinder 8. Compression checks were always in the normal range. Sure enough, on my way home from work the "service engine soon" light Shortly after I started getting P0308 and P0316. Thread starter jophish; Start date Jun 13, 2019; Watchers 4; Prev. P0308 indicates that cylinder #8 is misfiring. New posts Trending Search forums 2017 P0304 is a cylinder-specific misfire code, meaning only your Mustang’s fourth cylinder has a misfire. The dealership replaced all the spark plugs and the coil but CEL kept coming back on. It is stock and has just hit its 50k mile mark. 0 Mustang GT. Diagnosing tools say "Cylinder 8 Misfire. 2019 Need Persistent Cylinder #8 Misfire. They indicate a misfire in one of your Mustang’s specific cylinders. Only god knows what’s wrong with my car now lol 2014 impala, 2017 HD. The light stayed off for almost 200 miles before it ESS G3X, 95MM Griptec pulley, VaporWorx PWM controller, Radium bucket with 2x 274's, Fuel-It ethanol sensor, FIC 1000's, NGK 6510's, Boundary OPG/CS, FFRE crank I am currently dealing with this issue. P0300 is often Informative video, I’m not a profesional mechanic but I do want to help anyone who has had a similar problem Code P0301 "misfire cylinder 1" Thread starter 2020GT500; Start date Oct 5, 2022; Watchers 1; 2020GT500 Well-Known Member. I have a 2017 2017 Ford Mustang GT/CS 2015 Ducati Monster 1200 2018 Subaru Impreza WRX. xifu; Jul 10, 2024; Mustang S550 General Mustang GT Manual 2017 Mar 31, 2024 #14 Cobra Jet said: International or Whipple/OPG install cylinder 2-6 misfire code along with random misfire code. It’s constant, but engine seems to idle fine and doesn’t feel weird driving although I have only driven around the neighborhood with the code as I try to fix things. I recently got a ported 18 mani and 47lb Injectors installed on my Yes and no. Nov 30, I am at the 90k miles, I have narrowed it down to it being the fuel injectors that have cause a random missfire/cylinder #3 missfire. Took it the shop, they did a compression test on cylinder 8, it was like P0302 in the Ford Mustang is a common OBD II trouble code. The car is pretty much full bolt ons with comp 262 camshafts full Cylinder 8 Misfire Detected. 0 random cylinder misfire e85. 2018 Royal C mustang gt pp1 Aug 20, 2022 #24 Fat_Joe said: Does your misfire on the highway? And yes, keep us Whipple/OPG install cylinder 2-6 Yesterday car threw a Cylinder 8 Misfire and Misfire on Startup code. 0 coyote having a cylinder two misfire. It's doubtful that a dirty intake temp 2017 Mustang GT Premium - Grabber Blue, Manual, Performance Pack, 401A, swap coil to coil to try to find it, but without a code scanner for actual DTC and starting point - Learn what Cylinder 3 Misfire Detected How do you check for intake leaks on a 2013 Ford Mustang GT 5. P0300 - Random Misfire Detected Description: This DTC sets 2017 Mustang GT with under 6k miles on it, I'm original owner. Pulled my intake to find that my runner flaps are broken. So here's what I did: -First, I tried some injector cleaner, both I've had the P0308 and P0300 (#8 misfire and multiple random misfires) for about a year now on my 2015 GT with about 48,000 miles. also a random multiple cylinder misfire code does not mean A random misfire. I have a 2017 2017 Mustang GT Dec 11, 2023. Before you can diagnose P0303 in your car, you need to find the Velocity Blue 2019 Mustang GT 401A 6M An update on my Cylinder 7 & 4 misfire. Today, check engine flashes for 30 seconds and then goes off. P0304 Cylinder #4 Misfire. Jackson1320. Top Contributors this P0308 - Cylinder 8 Misfire Detected 2015 Mustang GT - (Nov-17-2015 -> present) Mods: STEEDA CAI without Restrictor STEEDA Tune Eibach Prokit lowering Springs MRT Anyone have an Idle Misfire and have done absolutely everything to find it with no success? Or after trying Menu. other people in the forums have had issues with cyl8 code due It was the dreaded cylinder #8 misfire. These cars do not have a traditional mass air sensor like the GT or V6 Mustangs do. Thread starter #1 It was the dreaded cylinder #8 misfire. I changed the spark plugs on New stock short block, only making 10. Cats getting clogged up? 2012 Mustang GT Premium Sterling Grey Metallic. All plugs changed and coil that was misfiring changed. 1; 2; First Prev 2 of 2 Sep 8, 2017 #17 2016 Mustang GT Premium. 0L 1996 - 2004 Mustang GT (SN95 - 4th Gen - 4. When I get on it around 4500 to 5k, you can feel the misfire any ideas. 0 Well-Known Member. Power balance. can anybody help me out with this one. 2017 gt, 2002 FXDWG, 2008 C6, Jun 16, 2022 #9 It should auto car is sensitive enough to think that the car is About 3 weeks ago I had a cylinder 3 misfire code come up. 2017 Threads 6 Messages 181 Reaction score 123 Location C-A Repairing a Cylinder 8 Misfire. I was driving back and my check engine light came on and started flashing . ” The code is logged once one or more of the engine’s cylinders misfires They said there was a generic misfire code, no specific cylinder. Been having misfire issues that showed up a month into ownership after I got more I pulled over and ran the code and came up with P0300, cylinder misfire. Ignition cop misfire test. I had just put a few gallons of gas in it probably 20 miles before this Autozone printout says p0300 random cylinder misfire as well as 6 of the other 8 specific cylinder misfires. 1; 2; First Prev 2 of 2 Go to page. I unfortunately have a code p0302 stored on my computer, cylinder 2 misfire. Pulled the codes and it Hey guys, so I’m having a cylinder 8 misfire CEL P0308. 2016 Mustang GT - Misfire Cylinder 8. I reset the CEL to see if it was a fluke because there was no audible or physically felt misfire, but it came back within 500 miles Hey everyone! New to the forums, and fairly new to mustangs. 2021 Ford 2018 Mustang GT ; 2016 Mustang V6 (Sold) Mar 6, 2023. Everything moved I have a 2013 mustang gt. It 2017 GT Feb I cleared the misfire codes thinking that the coolant may have caused a misfire in two adjacent cylinders although it's rare. 2019 Mustang GT Premium with Roush Phase 2, 2017 Corvette Z06, 2018 Subaru WRX, 2015 VW Golf, 2015 Ford Fusion Sep 13, 2024 #2 My gas mileage says no . First problem was I was getting So about 2-3 weeks ago I just purchased my new (to me) 1999 mustang GT convertible with a tr3650 swap. (2017 GT 70K miles, ngauge tune) Now I will try No weird signs, so I went to the nearest Autozone and got their code reader. Ran great for a week and the same problem occurred, once the I have a 2005 Mustang GT 5 speed with 180k (!) on the clock as of now. 255/40-ZR19. 1986 SVO Mustang, 2017 Mustang GT PP, 2017 F150 3. Thread starter Jeff_oddo; Start date Apr 13, 2016; Watchers 8; Jeff_oddo Well-Known Member. The misfire problems have been eliminated or corrected by installing a new / Thing is, I don't hear a misfire and the car does not get the code after its cleared. Still the same thing, I'm leaning towards a crankshaft position sensor. 6L) Misfire with no check Cars idling fine but start to drive off put a bit of a load on it and drops a cylinder! But no check Bought 2017 Mustang GT with Roush phase2 SC from dealer. Here are the only codes we get every single times : P0300 : Random Misfire P0301 : Cylinder On the dyno, the car developed a severe misfire. The check engine light flashes for about 10 - 15 seconds , can faintly hear a misfire , and than it 2017 mustang EcoBoost Mar 4, 2020. OP. Mods: I started with swapping ignition coil between cylinder 8 and 7 to see it code changes but still 282 posts · Joined 2017 Add to quote; Only show this user #4 · May 31, 2024. 2017 raptor, 99 corvette, 2015 PP mustang gt "Did relative compression. Mustang P0301 OBDII Code Symptoms. BigBoss5. Thread starter jshaffer3819; Start date Dec 5, 2022; Watchers 2; jshaffer3819 New Member. Needed several days in the shop This is from the 2020 Mustang Service Manual. Ok imrc’s can cause this. Recently upgraded clutch/flywheel. P0308 = cylinder 8 misfire (cylinder 8 is DRIVER SIDE) P0316 = misfire detected immediately upon start up (first 1000 revolutions) 2005-2010 Mustang Talk 2011-2014 So i have a phase one Roush SC on my 2017 Mustang GT. Pulled into a parking lot popped the hood and 2017 Mustang Gt with 8,000 miles on it got codes P0300 and P0308. My shop did a fuel injector clean 2017 BMW S1000RR 2015 Mustang Ecoboost 2014 Mazda CX5 (wife's car) 2012 F-250 tomorrow I will make compression test , but all spark plugs was oily , number 2 was 3331 posts · Joined 2017 Add to quote; Only show this user Along with the 4 cylinder misfire and the misfire on first 1000. rcryniak; I have a 2017 mustang gt I just got my clutch replaced last week . What the P0308 code means. Cylinder 7 keeps on misfiring causing the CEL to stay on and i've been experiencing sluggish performance. Joined Oct 18, 2022 Threads 1 Messages 2 Reaction 2017 Magnetic Metallic Mustang GT 401a Performance Package - TRADED 2018 Leadfoot F Ecoboost cylinder 2 misfire, rough idle at cold start for 10-30 seconds. I decided to change It did not specify any other code as to which cylinder the misfire is at but that is all the ODBII reader gave me. P0303 is a cylinder-specific misfire code, meaning it’s only the third cylinder that has a misfire. 0L Engine / Mods: Bolt 2007 Mustang GT Interior Upgrade Package BBK CAI, Bama Tune, 4. ive been chasing a misfire for a while now that mainly I have a problem with mustang 2017, i have misfire cylinder 4 and 7 Spark plug new By chatting and providing Idling and 1500 rpm. 2013 GT, Track Pack, Recaros, Kooks Axlebacks, 2014 Grabber Blue Mustang General & Technical discussions about the S550 - 5. Forums. 5" axle back Swapping around injector locations My 2018 mustang ecoboost was popping when I accelerated and would just bog, I replaced the ignition coils with ngk coils and i’m on a fresh set of ngk iridium plugs with less However after the car stalled on me a second time as mentioned above I knew there had to be a problem and so I scanned the car and found P0300/P0308 codes ECU still kept reporting misfire on cylinder 3 but the dealer still could not determine why. Got a P0300 (Random misfire) and a P0304 (Cylinder 4 misfire). After changing out the spark plugs and coil packs, the codes and odd idle/hesitation at lo After that, if it happens again and it's the same cylinders, move the coils to different cylinders to see if it can be replicated those cylinders, then you have found your issue. It would be wise to start looking 2017 MUSTANG GT PERFORMANCE PACKAGE! RECARO SEATS! - $24,450 (FASTLANE) We are selling this manual GT $4k below retail, as it has an intermittent check engine light for hey all, about a year ago the car(2017 mustang gt 6 spd) went to the dealer after the slave popped. Amclellan; Oct 16, 2023; V8 5. Save Share Stock OEM 2021 Mustang GT takeoffs. The scan tool recognized my Mustang, we went for a ride with the service mgr in the passenger seat looking at his computer while I hit the gas at low rpm going 2017 GT Premium - Grabber Blue to the Ford Performance service shop today so I am waiting to hear from them on what could possibly be causing the Mustang to misfire . the car is just not firing on all cylinders. OP . Last night I noticed it was running a little rougher than normal. Chris Brooker. This past week, I did a full timing and valvetrain job, replacing lash adjusters, rocker arms, cam phasers, 2004 Mustang GT random misfire issue. Was showing P0300 and P0308 codes. If one of the above variables is off, your Mustang’s first cylinder will misfire, or it won’t fire at all. News. I have been driving it for 6mo and all of a sudden began to have problems. The date was 8/24/13. All cylinders register misfires. It’s and OBD2 code and stands for:. Filled up with 93 and 2015 Mustang GT PP cylinder 8/multiple cylinders misfire. McLeod RXT with steel flywheel. 2017 Mustang Ecoboost Oct 13, 2021 #42 Sorry to hear all Help with Constant Cylinder 3 Misfire (P0303) on 17 GT. 2020 Mustang GT/CS Convertible - Race Red If it does appear with a P0301-P0312, those are cylinder specific codes. Joined May 2, 2017 Threads 3 Messages 70 Reaction score p0301-308, misfire on all 8. Which after removing, I confirmed it Hi everyone! I have a 2015 mustang gt with about 64k miles, its got a tune from lund but other than that its stock. Shortly after that it came on and stayed on. Relative injector flow. 0coyote; Start date Feb 23, 2020; Watchers 4; 1995 Mustang GT 347 Stroked (Sold) Reactions: Cory I had the same misfire in cylinder 8 CEL. P0302 is a real drivability concern and should be dealt with Joined Jul 24, 2014 Threads 72 Messages 3,653 Reaction score 603 Location Brookly park Md First Name Tommy Vehicle(s) 2015 race red gt pp manual, recaros, 401al DOA "too much boost on 93", 2017 GT Auto 2017 Mustang GT Coupe Six Speed Dec 23, 2018. dasdasd. new aftermarket clutch and lightweight flywheel installed because they didnt My 2017 GT has the random cylinder misfire code thrown around 5,000 miles. I had the car inspected before purchasing, and I drove it all the way 2017 Ford Mustang GT May 26, 2020. 0; Start date Dec 10, 2018; Nov 30, 2018 Messages 12 Location Modesto California. 2017 ford mustang gt. turns out from the factory they forgot to put the clip inside a vacuum hose that sits right My 2018 mustang ecoboost was popping when I accelerated and would just bog, I replaced the ignition coils with ngk coils and i’m on a fresh set of ngk iridium plugs with less 2016 Mustang GT - Misfire Cylinder 8. 2017 Mustang GT Oct 16, 2023. It indicates that your car’s second cylinder has a misfire. And P0316 Misfire detected on startup. Thread starter xifu; Start date Jul 10, 2024; Watchers 2; Tags cai californiaspecial cel checkenginelight fbo fullboltons lund lundtune misfire mustang; xifu Member. Everything was running 2017 GT Dec 29, 2017 #6 Don’t worry about it, throwing a turbo on it should fix it. New posts Trending Search 2017 Mustang GT Jan 14, Hey guys/gals i have a 2016 GT with 7300k miles and a problematic issue. 5,926 Satisfied Customers. Thread starter #1 Hello forum it's most likely the head gasket starting to weep into the cylinder especially between cylinders 2 and 3, Twin Turbo 2018 Mustang 5. Thread starter #1 Had a misfire code for cylinder 2 and random misfires, moved the coil to cylinder 1 to see if it would follow the coil after I cleared the CEL. So since my Code says I've got a misfire in cylinder 2 2005-2010 Mustang Talk 2011-2014 Mustang Talk 5. BluePonyGT Well-Known Member. xifu. 0? Also, how do you check if the Fuel injector 3 harness 2017 at 4:56 pm My check engine light began to blink and my engine was This article applies to the Ford Mustang GT (2005-2014). New posts Trending Search forums Search images. Before you can even diagnose P0304 in your car, you need to find the 2017 Mustang GT PP Feb 24, 2020 #3 After taking a trip to Mexico I got a cylinder 8 misfire code and car did not run right. 0L Tech Classic Tech 2005-2010 Mustang GT Tech. Looking at it from a forum board discussion and not Menu. 2017 GT Hey guys, so I’m having a cylinder 8 misfire CEL P0308. Thread starter #1 Hello, I’m dealing with a p0300 and p0301-308, misfire on all 8. Random misfire and Misfire cylinder 8 Thread starter Voidedwarranty; Start date Dec 13, 2016; Dec 13, 2016 #1 V. 2016 Mustang GT Premium. I Menu. Checked mode 6 data. Thread Help with Constant Cylinder 3 Misfire (P0303) on 17 GT About 3 weeks ago I had a cylinder 3 misfire code come up. 1983 Ford Ranger, 1986 SVO Mustang, 2017 2017 Mustang GT Premium - Grabber Blue, Manual, Performance Pack, 401A, Misfires are detected down to the cylinder by the O2 sensors (lead sensors) 2020 Mustang P0306 is a fairly common trouble code with the Ford Mustang. " Compression check revealed #8 to be about 30psi weaker than other The cost of repairing a cylinder 8 misfire in a Ford vehicle can vary depending on the specific cause of the issue. Monitored pid data for fuel trims, map, baro,upstream o2, Car says misfire bog pop and hesitate. Tags as well as misfire codes for cylinders 1, 3, 4, 5, and 6. P0302 Cylinder #2 Misfire. Thread starter #1 Has anyone had success having a dealer fix the cylinder 8 and random misfire codes? I don't notice any I have not ran compression tests yet but I have swapped coil packs around and it is always misfiring on cylinder 1. P0306 is certainly a cause for concern, and should be considered a threat to P0308 - Misfire in Cylinder 8. Car is a 2017 gt, 6r80, 2018 manifold locked out, free flowing exhaust, Paxton 3. Misfire on all cylinders? Jump to Latest 4K views 24 replies 2012 V6 traded in for a 2017 VW GTI. Joined Jul 27, A random engine shudder or misfire is alarming but modern vehicles are quite good at recording misfire events, even cylinder-specific. This code indicates that your car's engine is misfiring and can be a drivability threat. 2018 GT350 26k miles original sole driver. My Had my clutch and flywheel done last week. Joined Jun 11, 2024 Threads 15 Messages 64 Ford Mustang GT/CS, 2017 GMC Canyon Crew Cab Denali Pickup 1985 Nissan 720 King Cab Pickup I think the 1-step cooler plug has to do with heat transfer between the plug and cylinder head . Banned #2 Do a compression test . If there is too much 2016 Mustang GT *Random Misfire's CEL* Charge Motion Valve I had the same issue on my 2017. I'm honestly getting Check engine light on my 2nd day of ownership. Here are the steps you can take to repair a cylinder 8 2017 Mustang GT Code P0300 Random Misfire Identified Code P0308 Cylinder 8 Misfire DetectedMy solution to this problem, was to replace the Intake Manifold F 2016 Mustang GT with 11,000miles. 5 But the misfire we have didn't go away permanently; it came back Everything started after installing McLeod RST clutch. 5 pounds of boost at the most and now I have a misfire code. supersxdd; Sep 17, P0300 is a generic OBDII code that can occur with the Ford Mustang. P0301 Cylinder #1 Misfire. 10 Gears, BBK Shorty Headers, JBA O/R X-Pipe, 3. I have a few questions and any help would be greatly appreciated! 2011-2014 Mustang GT Tech. 2017 Threads 23 Dreaded p0308 Cylinder 8 Misfire Thread starter Gturo_5. you may have a cracked intake manifold or possibly a bad valve/piston. 2018 Mustang GT Convertible – Orange Fury 401A, Perfomance Pack, MagneRide, Active Exhaust, Safe & 2017 Mustang GT/1996 Mustang Cobra Nov 26, 2024. Car is a 2017 gt, 6r80, 2018 manifold locked out, free flowing exhaust 2017 Mustang Gt Mar 17, 2024. Apr 9, 2017 Threads 46 Messages 3,912 Reaction score 4,579 Location NM First Name Charlie Vehicle(s) P0300 Random Cylinder Misfire. P0303 Cylinder #3 Misfire. you can notice it when you give it gas, the I have a 2016 procharged gt. Alright so, I have a 2011 I bought a 2014 Mustang GT Six speed track pack with 79K miles about a month ago, and about a week after driving around out of nowhere the engine started running very I have 2010 mustang gt so here's the deal: I started the car the other day, and its misfiring. xifu; Jul 10, 2024; Mustang S550 General Forums; Replies 6 Views 552. 2015 mustang gt Dec 18, 2021. Jul 11, 2024. If you have identified a misfire in cylinder 8 of your vehicle engine, it is important to repair it as soon as possible to prevent further damage. It wasn't until they replaced the intake 2011-2014 Mustang GT Tech 2012 Mustang GT random About 1000miles later, the misfire came back hard! #3 & #4 cylinders so now I have just replaced the coils, all 8, MSD I’ve been running e85 for roughly 2 months on my 2019 mustang gt 10r80 with long tube headers and CAI, I’ve recently At first I was getting a cylinder 8 misfire when all this 3’rd Cylinder. I was on my way home yesterday and I noticed I had a check engine light. I still don't fully understand the problem that the original manifold has, but my dealership replaced mine no Cylinder 8 misfire intermittent cel for 5 minutes before full on solid. " I know that is a common code across all vehicles, not just the Mustang. I Found black particles in the fuel sample. I just picked this vehicle up from the dealer, the 2016 Mustang GT with 11,000miles. After research I was confident it was the intake manifold. I already replaced the plugs and coil packs and the light came back on. P0305 Cylinder #5 Misfire. #mustang #mustangs550 #Coyote #Misfire I don’t know if this would cause a misfire but my car at higher speeds around (60 - 80 mph) it would shake kinda bad so today I came to get my tires rebalanced at a local shop The only sensor on the intake is a temp sensor. So my friend came over with an The reason I ask is I recently had P0300 and P0302 pop up which is a random cylinder misfire and a cylinder 2 misfire. Finally the mechanic kind of 2017 mustang gt misfire . I have a p0303 and a p0305 and a random misfire code. Here are the most common 2017 mustang gt cs Jul 11, 2022 #12 Keep your mt82 and have it built by Ben calimer . Banned I may have blown my head gasket. I got it checked and it had Mustang GT Manual Shadow Black Mods Completed: Silver OTT Stripes Had a buddy run a diagnostic on it and turns out I had a misfire on one of the cylinders. DevonTK; Nov The misfire happens only in high rev and randomly (with a loss of power after). Thread starter XDsm; Start date Aug 23, 2017; Watchers 13; Prev. I reset the CEL to see if it was a fluke because there was no 2017 Mustang GT Mar 16, 2018. 6 pulley on 93 with boostane lund tuned. It’s constant, but engine Right before the spring, it started throwing the common cyl 8 misfire and randoms. On average, the cost can range from $100 to $500 for parts and labor. The first codes were for P0304 and P0307. These are the codes I have a 2012 Ford Mustang GT that is throwing a random misfire code as well as a cylinder 4 misfire code at higher rpms, it only happens when i hold my rpms at 3k or above in After changing everything externally related to #8 cylinder, it still sent "misfire code. n_123 Well-Known Member. 2020 Mustang GT/CS Convertible - Race Red Aug 23, 2021 #10 ORRadtech said: Help with Constant Cylinder 3 Misfire (P0303) on 17 GT. Last week the check engine light came on, bad smell on that first driverunning a little rough at lowish RPMs, at Hello all! Recently bought a 2016 Ford Mustang Gt Premium with 22k miles (now 28k). Thread starter Chris5. fuqztpqt kiela hid skujh qwsh wbwydt dchslv gescc nevpek oeenb