Q: The car runs but no spark on passenger side? Any one know what cause's this? Thanx

A: Run a diagnostic on the ecu. I bet the Crank angle sensor is faulty. You can also clean all your wire connectors and make sure the are corosion free. : http://www.ttzd.com/tech/diagnostictech.html also this site is for z lovers. You can get a lot of good tips for trouble shooting and its free. http://www.twinturbo.net/