problem with acceleration
Hi guys
Im experiecing little hesitation in 3rd gear, 4th gear 5th gear 6th gear while accelerating on highway. I am speeding up with foot on gas, but it keeps going forward and pause and going forward... I don't know about 1st gear and 2nd gear does this, because I don't rev more than 3k rpm with these gears. However 3 to 6th gear, when I drive around ramp to drive in the highway and I accelerate til around 3.5~5k with 3+ gears, I start to feel this and this has been right after I got ECU Flashed (APR 1+) B6 A4 1.8T Q6MT. APR 1+ .HX DV. Boosted Intake. 94500km (Timing and water done 1500km ago and APR 1+ 1000km ago) What could it be? clutch? and it feels like clutch is slipping when I drive on dead stop with slope (up hill) and I have to gas it little more. Please let me know what the problem is Thanks guys. |
Re: problem with acceleration
if its slipping then u will see your rpms dropping while accelerating but it could be cylinders misfiring so i would sujest to just change your sparkplugs one or 2 could be fried and if not that lots of things could cause misfirng cylinders i just fixed this problem on my a4 couple months ago
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Re: problem with acceleration
cylinder misfires = CEL! he didnt mention a CEL
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Re: problem with acceleration
yeah no cell i doubt it
it is kinda wierd...hmm I only feel this on highway when I floor it about 50~75% of full throttle. heat soak? really hot weather like today made feel really slow... with a/c on.. oh well another intercooler necess? |
Re: problem with acceleration
if your clutch is slipping, wouldn't your rpms go up with no speed gain? i don't think they would drop as caylen suggested...i could be wrong tho
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Re: problem with acceleration
I am experiencing a similar problem. Only noticable on the highway when I accelerate with 50% to 100% throttle. Some of my background:
1) occurred after the car was chipped (noticed slightly before chipping) 2) have tried different spark plugs with varying gap recommendations (best seems to be 0.28"). 3) install a snub mount 4) replaced my fuel filter and injector seals I do not get any CEL however I do occasionally get a small EVAP leak from Vag-Com (which I don't think is related). No other codes from Vag-com. I have also had a thorough inspection of the front suspension and drive components as someone has mentioned that a cv joint might produce this sensation. Everything is good and tight. Would be nice to solve this one. Would a boost leak cause hesitation or just a straight loss of power? I have yet to do a boost leak test but have logged my highway boost values (actual vs call) with Vag-Com and nothing seems to be out of the ordinary. |
Re: problem with acceleration
Please update if solution was found.
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Re: problem with acceleration
no still feeling it
I don't know where to start and just gave up trying to find it hope it will be found sometime later (broken) then I will let you know |
Re: problem with acceleration
mmmm i say is either your turbo, or leak on intercooler, or need of tune
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Re: problem with acceleration
I just found...
Coil packs!!!!!!!!!!!! (got them for 176.28 from the downtown audi dealer) |
Re: problem with acceleration
whats coil packs??
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Re: problem with acceleration
ignition coil packs
get the ones from dealer....'R's also changed sparks bosch, and I feel much smooth and little faster...may be |
Re: problem with acceleration
its always coilpacks....
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Re: problem with acceleration
yes....but once you change with R ones...you are good to go...
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Re: problem with acceleration
Did it really solved your problem? I feel similar issue and my coil packs have been changed 2 already. Doing a DV this weekend, maybe that will help
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Re: problem with acceleration
solved my problems....done and done..
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