car bucks while driving -

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Old 09-03-2018, 06:50 PM   #1  
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car bucks while driving

I bought a 1983 280zx. I'm having an issue with it bucking or hesitating as it goes down the road. It idles fine. I've been trying everything and cant seem to get rid of it. Maybe Catyletic converter? Any help?
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Old 09-04-2018, 09:47 PM   #2  
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Welcome to ZDriver!
Let's start with the basics. Check:
-Fuel Pressure
-Read the spark plugs
-Check for vacuum leaks
-Check AFM & CHTS and their connectors
Make sure you download the FSM: S130 Factory Service manuals
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Old 09-14-2018, 11:43 AM   #3  
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Make sure the spark plug wires are in the correct order. Firing order is - 153624
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