Ignition coil Bremi or OEM Volkswagen
I read up some online and decided to order new ignition coils. Took a few days, but I got four new coils and threw them in. Again, problem solved it seemed. No more EPC light, misfire codes didn't come back and no more rough starts.
I was having hesitation problems a few months ago while accelerating. No CEL, and no codes with VAG-COM. I read here that a lot of other people had had identical problems; the CEL and codes didn't start appearing until well after the symptoms started. Changing the coils solved their problems. So I took the risk and changed all four coils (at about 65,000 miles). That completely solved the problem for me. By the way, the new OEM coils had a completely different part number than the original ones.
as the op stated, the car sounded completrely different. there was no hesitation, idle changes, vac changes. the car also accelerated a lot smoother as well. it was easier to start from a stop and the engine felt stronger. i didnt believe this at first myself so i threw them on my buddies heavily modded a4 that had an ignition problem between 4-5k rpm and the sound went away with these coils. his car also performed much better as well.
my tach was acting up when i first got the car, I cleaned all the connections going to the coil when i replaced the coil and that fixed it.
Changed the plugs, and while changing them noticed that there was a little charring in two of the coil paks seating surface where the spark plug tip sits...after changing the plugs the car still felt like ****. Ran to Advanced....and they showed 2 cylinders not firing good, needless to say they only stocked one coil pak. I replaced it and the car ran like a champ.
had the same problem in the gti...just got a replacement coil pack for 32$ at the VW dealer and was good to go...i hear its a common thing to replace...
Everyone swears the stock coils are great for 800hp because force fed did it. I don't care, the coils suck and always have. I always had random misfires here of there even when new, and I could never run the plug gap I run now with push downs or bolt downs on a stock car even without serious hesitation and enough to increment the misfire counter. This 190k mile Jetta did this also and I thought maybe carbon fouled plugs or a dying coil. Now it pulls 20 inches of vacuum with a rock solid needle at idle no bouncing, no hesitation. The car sounds absolutely different at idle, fresh plugs and a .040 gap, no other change but the coils and fersh plugs. It sounds throatier and crisper with the larger gap too.
Yep, guess it's common, but mine just caused a smoking fire under the hood! As mentioned, I just started the car in the a.m. and was backing out of the garage. It started sounding and acting funny as explained and the engine light was blinking.
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