I have a 1990 nissan 240sx vin JN1HS34P2LW103995...I need to fined out why when i giv it gas it boggs down before picks back up. it also has idle fluxuation when not in gear and wants to stall out...i changed my plugs and wires, fule filter and pump. plz if you have any idea y it does this plz email me at [email protected] ...plz i love my car and i want it to run and run right. if you have any idea what could couse this plz email me...Thank you.