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View Full Version : VTS jumping in lower revs

misulko
14th April 2014, 13:27
When I press the accelerator from 2K to 3K rpm, car is sort of jumping and hesitating, it happened occasionally though. In steady driving and accelerating above 4K rpm is fine. I have Catcams 743 on stock ECU without remap. Could be possible that ECU canīt "keep up" with cams?

Thanks
Manu
16th April 2014, 14:57
it's also possible that your spark plugs are shot or your coil pack is acting up.
misulko
16th April 2014, 15:06
Sparks(denso iridiums) have around 7500 miles coil pack around 5000 miles. Worst things is there is no EML light yet.