hi i have a 94 nissan micra 1300 manual ,it broke down a few days ago, the AA patrolman said it was a blocked catylitic converter , which ive had changed ,but its still the same.its ok when its cold ,as soon as it warms up tho ? it starts misfiring .the engine revs up and down,on its own ,then cuts out totally starts ok a gain but revs wont pick up ? will only tick over, a few fitters have looked at it but failed , ive also fitted a new fuel filter anyone got any ideas regards clive

clive oram, July 2007

Could be the Throttle body, had a similar problem with mine and replaced the throttle body and now it no longer rev's itself and doesnt cut out randomly anymore.

Matt, August 2007

my car is mise firing i have changed the coil pack and its the same can someone help me

simon, July 2007