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misfire
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  1. The 7th Generation
    Hello! I have noticed my engine hesitating sometimes and cold starts are usually rough. Feels like the engine is about the stall. Pressing on the gas helps bring back regular rhythm. Once warm, the car seems to run okay and I don't notice much problem when on highway. But when in gear (D) and...
  2. The 7th Generation
    So I've recently been having a problem with my 03 Accord (V6 6-speed manual). 170k miles. One day I noticed that after I started my car it was popping a bit more than usual (it has an exhaust so it's not unusual for it to sound a bit louder on a cold start). Sure enough, the CEL started flashing...
  3. The 8th Generation
    I got new plugs and a belt put on yesterday and now my v6 accord is misfiring. Is it more likely to be the plugs or the belt that’s causing the problem. (or poor installation) on both. My ecu has also not thrown any codes which is surprising.
  4. The 7th Generation
    Hi everyone my name is Ryan. Last year i bought a 2004 Honda Accord EX 3.0 V6 6-Speed Coupe. I bought it with a blown motor, but i didn't care. I fell in love with the car and still love the car. I replaced the motor with a new/used one with approx 140,000kms (86,000miles). But recently I have...
  5. The 9th Generation
    Bosch Double Iridium Spark Plugs 96310 NGK Laser Iridium Spark Plug 96964 DILKAR7H11GS Denso Iridium Long Life Spark Plug 3492 DXE22HQR-D11S From 'Googling', I see these 3 spark plugs recommended most for my 2015 Accord SE I4-MT. I have an intermittent misfire again on cylinder #4 (P0304) but...
  6. The 9th Generation
    Please help. 2013 V6 Accord. Misfire code p0301. Moved coils around, didn’t notice difference but changed coil 1 anyway. Changed all plugs. After 30 miles or so, car will sputter when trying to accelerate and rough idle. Will usually reset if I turn off ignition for a few minutes. Mechanic said...
  7. The 7th Generation
    Hi, I'm in need on some good knowledge for a mystery I have. Timing belt tentioner pulley broke and water pump gave out on my 03 V6 which I believe is a non interference engine. So I slapped a Gates timing kit on and fired it up. it started up good but had a bad random misfire. So I pulled...
  8. The 8th Generation
    I have a 2008 accord coupe v6 manual, about 115k miles. It has a sporadic misfire on cylinder 6, here is what ive tried so far -new spark plugs on all 6 cylinders -switched ignition coil 5 and 6, misfire remained on 6 -switched fuel injector 5 and 6, misfire remained on 6 -cleaned injectors 5...
  9. The 8th Generation
    Let's start from the beginning. I may overload you with details, but maybe something will be a clue so bear with me. I bought this car, it's been dealer maintained it's whole life, it now has 125k on it, I've had it for less than an oil change and it seems to be falling apart. I got a Cyl 3...
  10. The 7th Generation
    I have a 2005 Accord Hybrid with 130k miles, and over the past several month it has been experiencing misfires occasionally at idle with blinking CEL. This only happens when I first start the car, as soon as I step on it the misfires go away. It also doesn't seem to misfire once the engine is...
  11. The 7th Generation
    Hello there! First time poster and amateur car tinkerer here. Recently after reading through some helpful forums, I decided to replace all 6 of my spark plugs. Honda accord 2005 EX 3.0L V6. Everything went smoothly, tightened to the precise torque, sounded great when running. After driving the...
  12. The 6th Generation
    If you've found your way to this thread, your venerable 6th Gen Accord is probably experiencing the gremlin known as "heat soak" (a.k.a., "hot soak", misfiring after hot restarts, etc.), and/or its more insidious companion, the dreaded "random misfire" (P030x) code. First some backstory...
  13. The 8th Generation
    My 2010 Accord V6 finally got the dreaded misfire code, P0302, the one Honda was sued for and later settled with an extended warranty. I also had code 3400, which was as a result of low oil. My car has 86K miles on it. A little backstory, I'm very meticulous about changing my oil and...
  14. The 7th Generation
    I'm a new driver (10 months) and my 2005 Honda Accord hybrid is my first car. It started off with no issues whatsoever but in the past few months they've been coming in one after another! So first off, a couple months back my check engine light went on and I went to check the codes. The results...
  15. The 7th Generation
    Does anyone know or can test the correct voltages for an APP sensor in a 2003 Honda accord v6? We tested ours and got these voltages. 0 % throttle sensor 1: 0.418 volts sensor 2: 6.51 volts 100% throttle sensor 1: 3.04 volts sensor 2: 3.81 volts If anyone can test their own and post their...
  16. The 7th Generation
    I have a 2003 Honda Accord V6 4 door and have had multiple cylinder misfires at high rpm (usually above 4500) ALWAYS starting with cylinder number 1 then followed normally by cylinder number 2 then the rest. Before the brake warning light and the TCS light came on, we replaced all 6 ignition...
  17. The 8th Generation
    Hello all, I purchased a 2009 Honda Accord EX-L about 8 months ago and have had zero problems with it until a month ago. My check engine light came on and the car began driving very roughly so I took it to AutoZone to get it tested. It came back with random misfires, misfires on cylinders 1-3...
  18. The 6th Generation
    Hey guys. Recently bought a 98 Accord LX 2.3L 4 cylinder automatic for the girlfriend. 177k miles on the car and about 100k on the engine. The car seemed to be in decent shape, definitely an upgrade from her ol' 95 Geo Prizm squealing rust bucket. Started doing some general tune-up stuff...
  19. The 7th Generation
    Hopefully someone can help me with this. My 2005 Honda Accord LX 4-cyl has been misfiring. I've replaced the sparkplugs, and it still misfired. Took it to the shop, their computer read a misfire on cylinder 2, so they replaced that coil, still misfired. When they put the old coil back in and...
  20. The 7th Generation
    About two weeks ago, my check engine light came on and after half an hour of driving, it turned itself off, so I thought nothing of it. Come today and it comes back on out of nowhere after driving home from school for, like, 5 minutes. Immediately going straight to AutoZone to get an OBD test...
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