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Old 16th March 2016, 11:31   #16
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Re: My woes with the Tata Manza

Thanks @zappo.

I am planning to do this -

1. Engine Flush - using Abro Motor Flush
2. Radiator Flush - using Abro Radiator Flush
3. Synthetic Engine Oil - Shell Helix Ultra 5W-40
4. Petronas Profar Coolant - 2 liters
5. Is the K&N filter worth the price it commands? Purolator filter costs 200, where K&N one is 5300.
6. Champol Gear Oil - 80W90 / 85W140

Other than this, I will for a suspension overhaul. Will ask the mechanic what all needs to be replaced.

Any other recommendations?

Thanks

Nitin
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Old 16th March 2016, 12:39   #17
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Re: My woes with the Tata Manza

the various flushes, the K&N filter & synthetic engine oil are money down the train.
Absolutely no benefit to be had. Just change all your filters (air, fuel etc)

if your car does mostly city runs, taking it out on the highway for a long run (100-200Km) at full throttle helps improve performance and driveability substantially.

get your exhaust decarbonized.

Passing emissions - tell the mech that you need to pass emissions - they should be able to set it up. You can revert it after the test if you find the setup hard to live with.
Suspension overhaul is a good idea - but not sure if GC would be impacted - buying a pair of those rubber spring adjusters might be a good idea if the mech says suspension overhaul is *not* needed

Tell the mech to do a general tuneup (Local workshop, not TASS - they usually don't have a clue, and their only response is to sell unwanted "value added services") to fix the reduced pickup.

why not experiment with one of the options here
http://www.team-bhp.com/forum/delhi-ncr/

I would suggest going to a bosch place and having a look at compression, fuel pump & cleaning the injectors as well (may be a possibility)

Last edited by greenhorn : 16th March 2016 at 12:50.
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Old 22nd March 2016, 10:22   #18
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Re: My woes with the Tata Manza

I took the car to a mechanic (Raj - listed on TBHP as well). And got the following done -

1. EGR cleaning
2. MAF sensor checked
3. Turbo actuator checked
4. Intake manifold cleaning

Even after all this, turbo isn't kicking in till 2500 rpm, and sometime till 3000 rpm. Raj said that turbo clutch might not be engaging due to carbon soot. So he will open the turbo and get it repaired.

He also said that one of the injectors is making a noise and needs to be repaired. Sump has a minor leak and may need replacement. He has some used sumps lying around and will change that.

He also told me that he had turned the EGR off to improve performance. According to him it'll result in marginally more emissions, but nothing substantial.

I have left the car with him and asked him to go ahead. Please tell me whether this line of diagnosis is right or should I ask him to check something else as well.

Thanks

Nitin
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Old 22nd March 2016, 13:23   #19
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Re: My woes with the Tata Manza

Have you gone on the full throttle highway run? it usually makes a big difference!


turbo clutch
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Old 22nd March 2016, 15:40   #20
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Re: My woes with the Tata Manza

Quote:
Originally Posted by greenhorn View Post
Have you gone on the full throttle highway run? it usually makes a big difference!


turbo clutch
I didn't go on the highway run, but revved the car in my city-run itself (my daily drive includes expressway).

Apparently, there is a clutch, which engages turbo. @deeps please explain what Raj said.

Thanks

Nitin
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Old 23rd March 2016, 12:06   #21
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@ntomer , blocking egr will result in a CEL unless it is soft deleted from ecu. People mostly do this while remaping
AFAIK there is no clutch that engages turbo. VGT in your manza is connected to exhaust manifold. And yeah exhaust gas can be referred as clutch that engages turbo
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Old 23rd March 2016, 15:11   #22
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Re: My woes with the Tata Manza

Quote:
Originally Posted by greenhorn View Post
turbo clutch
I think, that the problem might be a leaking hose. Replacing it will solve the low / no boost problem, provided that the general engine health is good.

@ntomer, you may consider inspecting your exhaust system too.
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Old 31st March 2016, 09:40   #23
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Re: My woes with the Tata Manza

I finally got the car back yesterday. Raj checked the injectors and found two of them were not working and got those repaired (replaced spindle and jet). MAF sensor also had issues and was replaced. In addition to that oil and filters were changed.

Now car performs much better. Turbo kicks in at about 2100-2200 rpm but can be easily felt kicking in.

After all this, I took it for a pollution check and it failed again. The person there told me that he is not able to get it's rpms. So I took it to a Noida PUC booth, showed them my last PUC certificate and he gave me a new one without doing any checks :-|

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Old 8th June 2016, 17:18   #24
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Re: My woes with the Tata Manza

Posting this query from another thread here as well, for a quick reply.

Hi,

The turbo in my Manza is kicking at 2500 rpm. What might be the reason?

I have replaced the EGR valve with a clean one, what else should I get checked?

Thanks

Nitin
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Old 8th June 2016, 20:17   #25
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Re: My woes with the Tata Manza

Quote:
Originally Posted by ntomer
The turbo in my Manza is kicking at 2500 rpm. What might be the reason?

I have replaced the EGR valve with a clean one, what else should I get checked?
Have you Cleaned/Replaced the Air and Diesel Filter?
Also drain water from Sedimenter if your car has one.

Can you please tell me how do you know that the turbo of your car is kicking at 2500rpm?

Experts, is it possible to replace the VGT with a FGT?
I doubt If the TASS has replaced the VGT with a FGT? Or a Good VGT with a defective VGT?
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Old 11th June 2016, 11:17   #26
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Highway Run?

Quote:
Originally Posted by greenhorn View Post
Have you gone on the full throttle highway run? it usually makes a big difference!
Hi Greenhorn

How does a full throttle highway run make a difference?

Also,

WOT in every gear or just in the top gear?

And for how long?

Just curious.

Cheers !


(PS: By the way the turbocharger in my 6 year / 75K km old Manza also kicks in somewhere 22-2300 RPM. Showed it to the head mechanic of Narain Singh & Sons , my trusted Tata Authorised Workshop and he said that it is not unusual. I asked him to clean the EGR valve which he did, though he reminded me that the company does not recommend its cleaning)

Last edited by Ironhide : 11th June 2016 at 11:20.
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Old 13th June 2016, 07:32   #27
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Re: My woes with Tata Manza

Quote:
Originally Posted by vinay kamath View Post
after nearly four years and 60,000 km , i simply love my tata manza for its highway speed and power, its extensive cabin room and boot space and pleasant looks. bluetooth too. luxury at reasonable price . if this car arrived on the scene a decade ago, it would have sold a 100,000 cars effortlessly. my car has a few issues too sometimes , but minor in comparison to the merits .
After 110,000 kilometres of a pleasant driving experience , and nearly six and a half years of ownership, yet after an accident last week, I sadly had to let go of my beautiful Manza. Exchanged my Manza for a new Zest . Hope the Zest performs just as well.

Manza was a definitely a lovely automobile "Made in India"

Last edited by vinay kamath : 13th June 2016 at 07:39.
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Old 13th June 2016, 18:16   #28
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Re: Highway Run?

Quote:
Originally Posted by Ironhide View Post
Hi Greenhorn

How does a full throttle highway run make a difference?

Also,

WOT in every gear or just in the top gear?

And for how long?

Just curious.
Preferably in highest gear, because that provides maximum backpressure

It's called an italian tuneup. google for it
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