Liana owners & fan club

[iamadee]

@Mods
Can you update the pic in the above post as my avatar. i tried my best but couldnt do it. Always gives any error.
Thanking in advance..

[ik_6451]

The problem should not persist then. Have you got tappets adjusted? and whats the mileage on your odo meter.

Dear the mileage is 48.5k and havn't got the tapets done ? Isn't the tappets supposed to affect response on petrol and cng both, cz i feel patrol response v better than the cng response

[ik_6451]

You have already done almost every thing related to the problem, jerks are more demonstrable,what type of jerks are these?

Well if try to explain the jerks, then sometimes it feels as if the engine stalls and sometimes without pressing the accelerator pedal something around 1000-1500 rpm the car gives jerks sometimes just a couple of jerks and sometimes 10-15 jerks (Problem with CNG only)

[iamadee]

Dear the mileage is 48.5k and havn't got the tapets done ? Isn't the tappets supposed to affect response on petrol and cng both, cz i feel patrol response v better than the cng response

does your car idle smooth or it rattles on cng and petrol? if yes you need to get the tappets adjusted.

[Skill]

Well dear I need some help from you to understand the type of Jerks, before I can answer :S

dear i am open to deliver what i know.

[Skill]

The company fitted CNG kit has a separate CNG ECU or ECM instead of conventional advancer, emulator and lambda devices installed in normal efi engines. This kit is by far the world's best CNG kit, same was introduced in new corolla as well.
The only problem is with our mechs who dont have any knowledge to set it properly including our 3S.

can you show some pictures,where this ecm is placed?
you mean there are two ecu in ff liana?

[Skill]

not working

i am also suffering with uploading pictures:(

[Skill]

Dear the mileage is 48.5k and havn't got the tapets done ? Isn't the tappets supposed to affect response on petrol and cng both, cz i feel patrol response v better than the cng response

response of tappet setting should be +ve on cng too.

[Skill]

Well if try to explain the jerks, then sometimes it feels as if the engine stalls and sometimes without pressing the accelerator pedal something around 1000-1500 rpm the car gives jerks sometimes just a couple of jerks and sometimes 10-15 jerks (Problem with CNG only)

Mine in 2nd gear on cng even at 1000 rpm does not stall or produce jerks,you should get your car checked.

[iamadee]

can you show some pictures,where this ecm is placed?
you mean there are two ecu in ff liana?

Yes that's right. One is for petrol and other is for CNG. Its located behind the glove box as thats where the connection cable comes out.

[iamadee]

Well if try to explain the jerks, then sometimes it feels as if the engine stalls and sometimes without pressing the accelerator pedal something around 1000-1500 rpm the car gives jerks sometimes just a couple of jerks and sometimes 10-15 jerks (Problem with CNG only)

First of all get the tappets adjusted and if that doesn't help then your problem definitely lies in Coils, replace them and your car will be normal again.
Remember the Ohm reading on a multimeter does not confirm that your coils are ok, as mine gave the correct readings too but the problem solved only after replacing them and yes the effect of coils is more on CNG and not on petrol. As wen i bought the car i tested it on petrol and it was smooth, but when i tried to run the car on CNG it did the same problem. ( i.e the jerks u r talking about).
Hope the info helps.
regards
Adeel

[ik_6451]

First of all get the tappets adjusted and if that doesn't help then your problem definitely lies in Coils, replace them and your car will be normal again.
Remember the Ohm reading on a multimeter does not confirm that your coils are ok, as mine gave the correct readings too but the problem solved only after replacing them and yes the effect of coils is more on CNG and not on petrol. As wen i bought the car i tested it on petrol and it was smooth, but when i tried to run the car on CNG it did the same problem. ( i.e the jerks u r talking about).
Hope the info helps.
regards
Adeel

Dear any idea about the cost of coils, and 1 thing that i recently noted that when I start the car check engine light comes and goes, does this also indicate it's relation to week coil, and what is your opinion about used coils from Shershah etc ?

[ik_6451]

Mine in 2nd gear on cng even at 1000 rpm does not stall or produce jerks,you should get your car checked.

Dear, what do you recommend getting checked on my car. I mean where to start from
Will the coil repalcement improve mileage too, presently I am getting 120-130km/cylinder (Karachi) out of which around 7-9km are on patrol i.e. initial running after starting car.
What is the city mileage that you get in your car ?
And does the ECM connection to the laptop show coils problem or will it just be the experience of the Suzuki 3S mechanic, that coils are faulty ?

[Skill]

Dear any idea about the cost of coils, and 1 thing that i recently noted that when I start the car check engine light comes and goes, does this also indicate it's relation to week coil, and what is your opinion about used coils from Shershah etc ?

seek coils from shershah with shopkeeper's guarantee if you have to.
Another option is chines cost you 2500 PKR .
MIL(malfunction indicating light) should always go off when you start the car,is it coming during driving?

[ik_6451]

seek coils from shershah with shopkeeper's guarantee if you have to.
Another option is chines cost you 2500 PKR .
MIL(malfunction indicating light) should always go off when you start the car,is it coming during driving?

No, after cranking of engine when engine starts it comes and goes out i.e. not during driving !

How good are the Chinese coils ?

[Skill]

Dear, what do you recommend getting checked on my car. I mean where to start from
Will the coil repalcement improve mileage too, presently I am getting 120-130km/cylinder (Karachi) out of which around 7-9km are on patrol i.e. initial running after starting car.
What is the city mileage that you get in your car ?
And does the ECM connection to the laptop show coils problem or will it just be the experience of the Suzuki 3S mechanic, that coils are faulty ?

simply scan your car first with scanner to know if there is any fault in electric components of engine.
Millage in city driving is ok.
i am getting 130 to 150 per cylinder intercity depends,, driving style and traffic.
Coils are not that big issue,it has become a myth that mechanics most of the times declare coils faulty when they are unable to fix the electronics,before final decision, going for the coils, you should get your car checked with different people,i suggest you to contact xulfiqar@pw with private messaging,he belongs to karachi and a gem of a knowledgeable person in auto electric field,he is out of pak at the moment but he has good relations with best electricians in town:)
hope this helps.

[Skill]

No, after cranking of engine when engine starts it comes and goes out i.e. not during driving !

How good are the Chinese coils ?

i have listened +ve report of chines too.

[nomi700]

i have listened +ve report of chines too.

but i have heard negative response about them

[Skill]

hello,
Liana owners :-!
wake up:)

[Skill]

but i have heard negative response about them

oh koi tou active hoa:)
Nomee,they are just like china mobile:P will work for some time and are not long lasting but to cut the expense for a shorter period of time they work,i have seen a couple of examples in my family.