300ZX Performance Problem

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May 22, 2001 | 05:47 PM

hookup1

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300ZX Performance Problem

I am having a problem with my 1991 300ZX n/a. At low RPM engine seems unresponsive. If you step on it it performs fine. Reciently gone over by dealer but they can't find anything. Suggestions?

May 22, 2001 | 08:42 PM

Ghostz

Well, maybe one more

Joined: Mar 2001

Posts: 173

From: Far away, locked up from anything interesting, almost in the dead center of the US

Re: 300ZX Performance Problem

Had a basic tune-up lately? plugs, wires, ect....

Ghost

May 23, 2001 | 03:22 AM

hookup1

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Re: 300ZX Performance Problem

Yes. No change.

Oct 26, 2001 | 10:55 AM

fenster

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Re: 300ZX Performance Problem

Hi,

I had a similiar problem. First I brought it to a dealership and all they did was adjust the timing...didn't do anything. I then decided to do as much as I can before bringing it in anywhere.

I started at all the connectors...cleaned every one i can find. Then went at the throttle bodies with carb cleaner..and lots of rags and toothbrush. Cleaned all those nasty dead bugs out of my KN and everything was fine after that. Check out http://www.twinturbo.net/ lots of good information there and example's with pictures.

Hope this helps!

Fens.

Oct 26, 2001 | 11:21 AM

silvrhand

Snazzy Title

Joined: Apr 2001

Posts: 9,939

From: Houston, TX

Re: 300ZX Performance Problem

Follow fensters advice..

Make sure to check the air filter also if you haven't put ordered one yet order a new intake from strictlyz.com, that'l help to the tune of 5-10 hp as the stock intake is very restrictive and may be clogged up.

If none of that works people say the CAS is the root of all evil..

- john