Having problems with your 1990 Nissan 300ZX ?
Catalytic converter smoking
\015 Smoke is coming from the catalytic converter and the back of the engine. it sounds like that its misfiring but I am not sure. Any help would be greatly appreciated\015
Chech the ignition timing first.usually nissan vehicles has an ignition timing of 10 degrees before top dead center.after that clean or replace the spark plugs.use only unleaded gasoline.
Repair Help & Product Troubleshooting for 1990 Nissan 300ZX
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