Idle RPM low on CNG and HIgh On PEtrol

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Idle RPM low on CNG and HIgh On PEtrol

Hi guys,

i have an Alto 2007,

When the car is idling on CNG, the RPM is like around 900rpm (i got an RPM Meter),
but when i switch to petrol, the RPM is around 1600 rpm or so...

is this normal ?
i called suzuki Macca motors they said that apki gari ki timing advance ki hui hay itslea petrol pe RPM are high

But istarhan to petrol zyada consume hoga

is there any solution to this problem ?
even when car is standing on traffic signals etc, i can feel that the car is revving too much even when my foot is off the accelerator

ye kahin advancer ki to koi problem nahi hay ?!??!

THanks

Gari.pk User 10047 asked on 12 Oct 2010 14:10:11 pm

1 Answer

523 views |

Rayan - on 12 Oct 2010 14:10:41 pm

The solution is rather simple ... you get your RPM decreased from the carburettor to the desired Petrol average ... then switch to CNG and adjust RPM from the CNG KIT rather than the carb for CNG.

I had the same issue. My car actually went to 2000rpm idle after CNG idle was adjusted from the intake manifold rather than cng kit :/