Question about 1991 Nissan 300ZX

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91 300zx N/A 5spd power loss and engine chatter

My 91 300zx N/A 5spd. has a laundry list of problem, but what is getting me now is horrible acceleration. when driving all if fine to an extent, but when I ether try to floor it or come to a stop at a light then go I pretty much just crawl away. this use to occasionally happen at the 4000rpm range but now its the cars general operation sometimes with a delightful hint of odeur de gas. I've recently had the fuel system flushed, added new fuel injectors and new ignition coils and things were good for a while after that. *side note* engine sounds like chatter teeth and every now and then the car does not wont to start just a click.

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I had same thing and my cataletic converter was plugged. red hot . after it cooled i could start it and only crawl home.and check timing belt.and battery cablesneed to be clean and vasilene for good connection no corrosion ,no green on any connections. if.check engine lite on do self diagnostic. info on internet nissan ecm codes

Posted on May 17, 2010

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Posted on Jan 02, 2017

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Probably the ignition timing is not advancing the spark on acceleration or high rpm's.

That is the job of the ECM (Electronic Control Module). Check it / Replace it.

Hope this helps!

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