vs
Ignition coil APR or OEM Volkswagen
Reviews
Sounds like coils to me. I wouldn't even mess with swapping them...I would just replace all four. You can do just 2 and 4 but then you can expect 1 and/or 3 to go soon.
Pros: replace all four
Vehicle:
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.
Pros: problem solved, no misfires
Cons: slight misfires during acceleration
Vehicle:
Volkswagen Tiguan
Mileage: 104607 km
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.
Pros: solved hesitation problems, completely solved problem
Vehicle:
Volkswagen Jetta
Mileage: 104607 km
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.
Pros: smoother acceleration, stronger engine
Cons: Fitment issues
Vehicle:
Volkswagen
My wife's 2000 Cabrio started having this same set of symptoms. Replaced coil, plugs, plug wires, cap and rotor not that long ago. Coil was indeed cracked, but the symptoms persist.
Cons: symptoms persist
Vehicle:
Volkswagen
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.
Pros: throatier sound, crisper sound
Cons: random misfires, hesitation
Vehicle:
Volkswagen Jetta
Mileage: 190000 km
I never use aftermarket coils, nor would I. I have taken out too many bad ones. In fact, a friend put a set of some parts store coils in his daughter's Tiguan, and two weeks later one died.
Pros: factory coils reliable
Cons: aftermarket coils unreliable
Vehicle:
Volkswagen Tiguan
Options like APR's and RS3 coils offer very little if at all over factory other than looking pretty.
Pros: looking pretty
Cons: very little benefit
Vehicle:
Volkswagen Golf
VW makes bad ignition coils, period. Bad design, bad reliability, bad everything. They actually came out in pieces and were siezed into the head on some cylinders. There was several inches of calcification and junk from water going down into the holes (no engine cover for 123,000 miles). I had to blow out the plug holes with air compressor, after I vacuumed the inches of calcium dust out, then still after I removed the plugs found rust under the crush washer they seat on. It wasn't fun and I had to polish the holes up to hopefully stop that disgusting build up. It was BAAAAAD looking but it ran fine with only a single misfire up to almost 130k.
Pros: ran fine with single misfire
Cons: bad design, bad reliability, came out in pieces, seized into the head
Vehicle:
Volkswagen
Mileage: 209214 km
Turned out to be bad coil (again).
Cons: bad coil
Vehicle:
Volkswagen
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