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good day tuners
I have a local cs3 lancer with the 4g18 cvt
Whenever I drive over bumpy road surfaces the engine bucks and hesitates (while pedal is depressed) for a couple seconds, then when I get back on smooth surface it smoothens out.
If I go over the rough surface with my foot off the pedal this does not happen...
Any ideas what causing this??

Fuel filter, pump, egr valve, oxygen sensors, spark plug, air filters...host of reasons. Have a scan done

dani22 wrote:good day tuners
I have a local cs3 lancer with the 4g18 cvt
Whenever I drive over bumpy road surfaces the engine bucks and hesitates (while pedal is depressed) for a couple seconds, then when I get back on smooth surface it smoothens out.
If I go over the rough surface with my foot off the pedal this does not happen...
Any ideas what causing this??

Check your tps sensor jack...weird I had that with my lancer and was like wtf...could get luck and it's that lol