Still Having Misfires After Diagnosing Everything | AskDap

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Q - Hello I've been having issues with check engine light problems. I have an CTS blow off valve, a CTS cat back exhaust with stock downpipe and muffler delete off the exhaust, and resonator delete. I've been getting a P0304 and now I have both P0304 and P0303. I've replaced all of my ignition coils, spark plugs and fuel injectors but I'm still getting misfires from my 3rd and 4th cylinders and I'm also getting a P2308 and a P2311 code which are the Ignition Coil C secondary circuit and Ignition coil D secondary circuit, beings though I replaced all of the simple parts that cause a misfire, what else can it be? I've been dealing with this problem for almost a year now but I just don't know what it is and the Volkswagen dealership can't pinpoint where the problem is coming from.
10mm Flat Wrench for MQB Ignition Coil Nut
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This video was shot on location:
Deutsche Auto Parts Inc.
10308 Bailey Rd
Suite 417
Cornelius, NC. 28031

Пікірлер: 55

  • @kenj.8897
    @kenj.88974 жыл бұрын

    Guys using the damn drills to take the nuts off . Zip Zip Zip , o damn . Great video as always Paul .

  • @MartinTorres-vj8ig
    @MartinTorres-vj8ig2 жыл бұрын

    I’ve been having a check engine light on sporadically and specifically when it’s cold outside? Spark plugs and coil packs have been changed. Carbon cleaning next and injectors next?

  • @damionrose731
    @damionrose7312 жыл бұрын

    Hey how can I get my hand on the wrench you spoke about??

  • @carldavies2433
    @carldavies24332 жыл бұрын

    Hi I have recently upgraded my HPFP and ever since that I have been experiencing a misfire well what feels like a misfire at high revs Would you have any idea what I have done wrong?

  • @shanthkannan3858
    @shanthkannan385811 ай бұрын

    I replaced clutch disc in Renault megane 2010, now engine is misfiring, engine light is flashing when i go above 30mph. codes says that multiple misfire detected. I changed spark plugs and ignition coils as well, compression is fine in all the cylinders. I connected OBD scan tool, no codes related to mass air flow sensor, now mechanics are investigating my car that the fault is in fuel injectors/fuel pressure or anything with electrical wire harness that is connecting with spark plugs.... I am really worried... Any leads/suggestions would be really helpful, thanks

  • @karstgeo7290
    @karstgeo72904 жыл бұрын

    Done it...no damage but I crapped my pants when it happened....will be buying that wrench.

  • @donnahawke1466
    @donnahawke1466 Жыл бұрын

    Hi what about crank sensor code put new one in still coming up and still misfire.

  • @sarasanr4107
    @sarasanr41073 жыл бұрын

    Great video, my mysterious story until today is ... I have replaced VVT sprockets (know as cam gears or actuators) on 2010 petrol insignia, since day one the car lost of power at all, on the highway moves like turtle, gets the car+wrench light on and off if trying to force for power no codes came up on the dash. However, in a later stage the car start misfiring randomly following with the codes, and lately was confirmed as cylinder 3 P0303. Changed everything, spark plug, coil pack, injectors, nothing has changed, the dealers are lifting their shoulders, and i am left at mysterious crap. I didn't have any similar issues until these parts has been replaced.

  • @kami_dred7319

    @kami_dred7319

    2 жыл бұрын

    Did you fix it ?

  • @collensfiso2141
    @collensfiso21412 жыл бұрын

    I have a ford fiesta mk6 st 150 it's doing the same I don't know what to do

  • @stevefaria8788
    @stevefaria8788 Жыл бұрын

    Changed spark plugs and ingnition control module still have misfire

  • @insanityy9635
    @insanityy96354 жыл бұрын

    This is my email, I didn’t even realize you did a video on this until now... I fixed the ground issue

  • @joseambriz4418

    @joseambriz4418

    4 жыл бұрын

    I have a 2011 Jetta 2.5 with P301 code that wont go away. I changed the ignition coil and spark plugs and code went away but two weeks later came back. The. I changed the fuel injector and the code is still there P301. Any suggestions?

  • @dude_ofsteel9378

    @dude_ofsteel9378

    3 жыл бұрын

    So that was the issue?

  • @robertcheung3063
    @robertcheung30636 күн бұрын

    Hello everyone I have a 2017 golf R, my problem is sometimes when I push the starter button, some times the starter won't engage, the gauges will sweep but no start. I'll push the button again and it will start no problem. I'm worried that one day it may not start. Any ideas?

  • @spincyclegaming8542
    @spincyclegaming85423 жыл бұрын

    I have a 13 mini cooper base model, thing was running great and while on the freeway got p0303 that's all I have is cylinder 3 misfire, compression is good, its not plugs coils or injectors I am at a loss

  • @chrisprime10

    @chrisprime10

    Жыл бұрын

    Did you ever figure out the issue?im currently in the same place and im honestly thinking it might be my headgasket or ecu im not sure tbh. its just on cylinder one, i changed out all sparkplugs, wires and coils, i have good compression at around 160psi but when i did take out the spark plugs which have less than 500 miles on them, on cylinder one its full of blacksoot which is why im assuming its the headgasket? its a 2010 cadillac escalade esv with the 6.2L V8 and the vehicle has around 73,800 miles on it. i almost forgot but i have also changed out the injector

  • @intention21
    @intention21 Жыл бұрын

    Must be a vacuum leak as it’s the hardest to find sometimes

  • @leomcleoud5130
    @leomcleoud51302 жыл бұрын

    My Mk7R doesn’t have ground wires on any of the coil packs

  • @chrisjumper3198
    @chrisjumper31983 жыл бұрын

    I have a 2014 Yukon XL 5.3 with a misfire on the 7th cylinder. I replaced all the spark plugs and the spark plug wire and only the 7th cylinder coil. I can drive the vehicle for a day and it will start misfiring again on the 7th cylinder. I removed the 7th cylinder spark plug and noticed there was oil on the spark plug. So then I went old school and put a nonfouler on and another spark plug and after a while of driving I would get another misfire on the 7th cylinder. Will you tell me what you think is wrong with the 7th cylinder and where you think the oil is coming from and what I can do to fix it? Many thank!

  • @xxmobstrxx8535

    @xxmobstrxx8535

    2 жыл бұрын

    Same thing on my 16 Audi A6 2.0t changed injector spark plugs coil packs. Now I’m leaning towards the carbon build up since it was more random as the issue began but now it’s more persistent.

  • @charlestomasino9161
    @charlestomasino91612 жыл бұрын

    Broken rocker arms may be the culprit

  • @pinnaclepainting9911
    @pinnaclepainting9911 Жыл бұрын

    Your carbon build up Theory matches the symptoms in my vehicle what would you do to correct that if carbon buildup is the problem?

  • @caydenduran8451

    @caydenduran8451

    Жыл бұрын

    you have to take the manifold off and manually clean it. there’s a ton of video on it and it’s not terribly hard

  • @insanityy9635
    @insanityy96354 жыл бұрын

    I’m thinking the dealer fucked up my car

  • @chadchristensen3703
    @chadchristensen3703 Жыл бұрын

    Not of the car of the ignition coils that's the thing underneath the coils

  • @thomaseckard1292
    @thomaseckard12924 жыл бұрын

    How can i get you and your shop to work on my car?!

  • @allenlwu
    @allenlwu2 жыл бұрын

    I have a 1996 Toyota Supra. Changed all six spark plugs, it ran fine for the 1st few miles, then engine misfire, with code p0300, p0301, p0304, p0305. What could be the issue? Can you help? Thanks a lot in advance!

  • @taniamorales1247

    @taniamorales1247

    Жыл бұрын

    We’re you able to figure out the issue? I’m having the same problem rn

  • @taniamorales1247

    @taniamorales1247

    Жыл бұрын

    Were *

  • @ersinylmaz4172
    @ersinylmaz41723 жыл бұрын

    Pcv valf arizali olabilir

  • @theCAVEMAN023
    @theCAVEMAN0233 жыл бұрын

    I changed my pcv and after the car ran like shit. Is it a bad pcv? I changed coils and plugs and nothing. I’m about to try injectors next. But my 1st guess would have been pcv is bad

  • @patienceisalifesaver9582

    @patienceisalifesaver9582

    Жыл бұрын

    What did it happen to be ?

  • @SLIM-iz3kl
    @SLIM-iz3kl2 жыл бұрын

    Hello. I have a 2013 ram 1500 I just changed spark plugs, coil packs and fuel injectors it's running fine but now I have a stored cylinder 4 misfire and fuel system rich 1/1 and 2/1 pending. Can you help me?

  • @rxtube4873

    @rxtube4873

    Жыл бұрын

    Did you find the problem with your ram 1500?

  • @SLIM-iz3kl

    @SLIM-iz3kl

    Жыл бұрын

    @@rxtube4873 yes its bad electrical wiring.

  • @rxtube4873

    @rxtube4873

    Жыл бұрын

    @@SLIM-iz3kl from where ?

  • @SLIM-iz3kl

    @SLIM-iz3kl

    Жыл бұрын

    @@rxtube4873 once I bought a new computer and replaced the fuse box no more engine codes. 🙃

  • @SLIM-iz3kl

    @SLIM-iz3kl

    Жыл бұрын

    Now I have lights that work sometimes and sometimes they don't. I'm thinking it's time to replace the whole wiring harness on the engine bay.

  • @chadchristensen3703
    @chadchristensen3703 Жыл бұрын

    Change the driver

  • @leonmalomane2270
    @leonmalomane22703 жыл бұрын

    I drive Golf R 2017 . It misfire.and loose power

  • @jeronimjurakovic2919

    @jeronimjurakovic2919

    3 жыл бұрын

    Hey man, did you fixed the problem, my golf gti 7 went to safe mode, misfire. Can you please help me with the answer.

  • @custompro52

    @custompro52

    3 жыл бұрын

    I have the same problem on a 2017 Golf R

  • @rafaelalvarez2595
    @rafaelalvarez25952 жыл бұрын

    My 2017 gti when I step on the gas I hear a binding nose from my engine compartment but no lost of power

  • @joseambriz4418
    @joseambriz44184 жыл бұрын

    I have a 2011 Jetta 2.5 with P301 code that wont go away. I changed the ignition coil and spark plugs and code went away but two weeks later came back. The. I changed the fuel injector and the code is still there P301. Any suggestions?

  • @SuperInterpol1

    @SuperInterpol1

    3 жыл бұрын

    I have the same problem as yours, I have replaced all the spark plug and ignition coil but the error code remains. My question is have you solved the problem and what was wrong? Thanks.

  • @jeronimjurakovic2919

    @jeronimjurakovic2919

    3 жыл бұрын

    @@SuperInterpol1 please can you answer what is the problem, I also did everything.

  • @denaotto6444

    @denaotto6444

    2 жыл бұрын

    Same thing for me on my 2010 kia optima. I have a cylinder 4 misfire after replacing everything

  • @victoriamccarthy3050

    @victoriamccarthy3050

    2 жыл бұрын

    @@denaotto6444 update?

  • @denaotto6444

    @denaotto6444

    2 жыл бұрын

    @@victoriamccarthy3050 yes..I had to sell the vehicle. Got too expensive..I literally fixed everything and went to mechanic after mechanic

  • @ChandanaYapa-hq3ge
    @ChandanaYapa-hq3ge18 күн бұрын

    Carbon buildup in intake manifold valve, need t to be clean , vw shouldn't know that issue, it's a common issue with vw, cost me $1200 unbelievable

  • @faizalej3324
    @faizalej33244 жыл бұрын

    Hi hope u can help me my mk6 gti 2.0 if i push 6000 rpm hAve misfire cylinder 3 and 4 is below 6000 is fine my coilpack and spark plug is good injector also good what that problem

  • @stefjanssen4397

    @stefjanssen4397

    3 жыл бұрын

    Pcv valve

  • @kaipeng0507

    @kaipeng0507

    3 жыл бұрын

    I have the same issue. How did u solved it?

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