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Old 08-28-2012, 06:29 AM   #1
mamun22s
 
Drives: Toyota Vitz
Join Date: Aug 2012
Location: Bangladesh
Posts: 11
Car Race/IDLE/initial speed Problem

I have a Toyota Clavia Vitz 2000/VVT-i/1300 cc/Auto transmission.
I am running it with both octen/CNG. It runs good but sometimes it has a race problem. I dont know the technical term it may IDLE problem.
When it in a good position on a smooth road with out acceleration it runs

On CNG initial speed is
12~15 km/h with out AC and in AC 8~12km/h and
On Octen initial speed is
15~20 km/h with out AC and in AC 10~15km/h

Its ideal for me, but some times all on a sudden on fine morning it change automatically with out any reason it might increase/ decrease. If it increase i cant control my car round the day I have to run it only push the break or release and it runs too fast.

with out acceleration it runs

On CNG initial speed is
25~30 km/h with out AC and in AC 18~25 km/h and
On Octen initial speed is
32~42 km/h with out AC and in AC 25~35 km/h

If it decrease engine cant hold the ignition on neutral it stops only i can run the car on octen.

My mechanics make tuning on acceleration cable on top of butter fly and increase or decrease gas on the CNG kit.

Can my well wishers please help me how it change and revive. Is it a mechanical or any electrical circuit problem?

Is it for O/D my O/D is not functioning.

Thanks,

Mamun

Last edited by mamun22s; 08-30-2012 at 04:14 AM.
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