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1994 Infiniti J30 Personal Luxury 4dr Sedan

1994 Infiniti J30
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February 15, 2013, 6:18 am

Geanine B

Question: My car's check engine light is on and its shaking, whats wrong with it?

My car jumps when I drive past 60mph and when Iam idle. Can you tell me whats wrong?

February 16, 2013, 3:28 pm

Ron W
Expert Mechanic

If the check engine light is on, I'll need the code to help you figure out what is happening.

Sounds like it may be a misfire/ignition problem form your description.

For all hard starting or engine performance issues, you should always start with the basics. Make sure the tune up items are done and check the charging and starting systems. The engine must have the basics done in order for it to be able to run correctly. Many things can cause this type of problem, and the simplest sometimes get overlooked.

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