Cultus RPM Drop problem on CNG

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Cultus RPM Drop problem on CNG

Hi Experts,

I recently bought Cultus-2003-non EFI, earlier I was using it on petrol and it was running fine, but since I shifted it on CNG, it has started showing RPM drop problem, I had it's tunning done couple of times but RPM drops after every 60-70 kms, also When AC is on RPM drop too rapidly and engine starts viberating badly, pick is also very bad on CNG. As car runs fine on petrol, so I think there wouldn't be any issue with Spark Plugs/Wires, basically it looks a car tunning problem but why car is asking for tunning again and again.

I am thinking to shift it back on petrol and get computarised tunning; but I want to know what might be the issue with the car causing this RPM drop on CNG, also if someone could share some good place in RWP offering computerized fuel tunning of cars.

Waiting for reply, esp form Cultus owners as I've heard that this issue is very common in Cultus. Thanks.

Gari.pk User 8107 asked on 31 Aug 2010 12:09:59 pm

1 Answer

1047 views |

Zayan - on 31 Aug 2010 12:10:07 pm

dude cultus gives a prob like this.leme advise u a best cng mechanic in islamaabd..try his tunining once n ull feel the differnce ..its in i10/3 exactly opposite to suzuki azim motors.