What could cause a jolting effect in the motor? We replaced spark plugs & spark plug wires, coil pack, & fuel injector. After all that the motor is still jolting rough.
Does it have a mass airflow sensor? Did the check engine light come on? If so, take it to Autozone and they will put on a diagnostic tester for free.
The engie light did come on! My van has the self diagnose on it so when I checked the code that showed up it was a cylinder misfire! After all that we done to it the check engine light is off and no more codes but it still acting like its misfiring
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