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Lag with quick acceleration

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Old Dec 29, 2020 | 04:42 PM
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Default Lag with quick acceleration

Was coming home last night in by 2002 Z06.. Started to run really rough. Just got hone and started to see what was going on. Car is still running rough and noticed when i did a quick accelerator pump that there was a significant 'lag' and about 1 out of 4 would hear a pop in the exhaust.

Thanks for your feedback !!
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Old Dec 29, 2020 | 05:22 PM
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Can be MANY things !!...see what codes you have stored and let us know.
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Old Dec 29, 2020 | 07:58 PM
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Thanks for the response. I had a P3040 . cylinder 4 misfire
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Old Dec 29, 2020 | 09:27 PM
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You must have meant P0304...did you use a scan tool because pulling the misfire DTC’s through the DIC would have only told you it was a P0300 ??...a misfire would have also illuminated the MIL (check engine light) if the misfire occurred on the second drive cycle...if you have a scan tool I can maybe put you in the right direction by looking at some data PIDS...majority of misfires are ignition related so you can start there...plugs and wires !!
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