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Enginer Stuttering / shuddering at 2300 rpm (vit)

Tech Talk for Suzuki owners.

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Posts: 31
Joined: Fri Dec 08, 2006 7:14 am
Location: Invercargill, New Zealand

Enginer Stuttering / shuddering at 2300 rpm (vit)

Post by jeremyisme »

My Vit seems to stutter or shudder at about 2300 rpm. It happens when my foot is at about 1/3 throttle. But goes away when I take my foot off or press it down full.

I have an air fuel ratio meter in the car, and I can see the mixture going normal, none (i.e. when the engine is at vacuum), normal, none really fast, coinciding with the shuddering.

Hopefully that makes sense
I am thinking it could be the O2 sensor playing up, but it doesn't make sense as to why it is happening at certain revs or throttle.

Any ideas?
Posts: 217
Joined: Thu Nov 30, 2006 12:33 pm
Location: Woodford

Post by FullbackNo1 »

mine is playing up the same way aswell will tell you when i find out wat it is
Suzuki Vitara Ute,Tube Tray

Thanks To Dale 2DEXTREME www.2dextremefabrications.com.au
Posts: 31
Joined: Fri Dec 08, 2006 7:14 am
Location: Invercargill, New Zealand

Post by jeremyisme »

Btw, does anyone know if you can connect the existing four wire O2 sensor to a standard single wire one?

I know that the four wire ones on the Vit, have a heater in them to get them up to temp faster, but there is still only one signal out, so I am wondering if I can just connect that to another single wire O2 sensor I have, and see if that sorts the problem out.
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