Car bucking when hitting 4k WOT
I'm being tuned with uberdata and me and my tuner were working on it and did two 3rd gear pulls. And everyrthing was fine. But then on the third one, the car started to buck like it was stalling out at 5k rpms. And we tried everything to fix it. I'm going to try and get Matt to post in here also and tell you what happened (he's tuning it)
I used to have a VAFC but got rid of it. Could the way the VAFC was wired cause any problems with Uberdata? We are out of ideas other than the wiring. Any help would be appreciated. If you need any specs on the car or the turbo components please tell me. |
Re: Car bucking when hitting 4k WOT
any cel?
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Re: Car bucking when hitting 4k WOT
Did you tighten up your plug gap or even install new plugs? 99% sure that is your problem.
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Re: Car bucking when hitting 4k WOT
Originally Posted by Ravage70
any cel?
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Re: Car bucking when hitting 4k WOT
Originally Posted by CSaddict
Did you tighten up your plug gap or even install new plugs? 99% sure that is your problem.
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Re: Car bucking when hitting 4k WOT
Search GOOGLE on "How to Properly Gap Spark Plugs"
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Re: Car bucking when hitting 4k WOT
Alright figured it out, if I don't need new spark plugs, what should be a good gap size? And I've heard good things about NGK spark plugs, should i get those if new ones are needed?
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Re: Car bucking when hitting 4k WOT
Cant go wrong with .030, one or two step colder NGKs havent let me down. Denso's work ok too but generally foul out quicker and start misfiring more easily than the NGKs
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Re: Car bucking when hitting 4k WOT
http://www.sparkplugs.com/more_info....15733&pid=2530
Do these seem fine? Any better websites to get them at? And how much do spark plug gap tools run? Thanks and sorry for all these questions. I just need to make sure this is right. |
Re: Car bucking when hitting 4k WOT
Bucking can also be caused by the engine runing out of gas.
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