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Old 21st February 2010, 23:09   #1
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Default i20 power issues,Refusing to move beyond 70Km/hr

Dear BHPians ,
I faced a strange problem in my i20 (petrol) today.

I was travelling at the speed of 70,2K RPM when suddenly I realized that that on pressing the accelerator the car is not moving forward. I released & pressed again but car seemed to be dead. The RPM started dropping (From 2K) ,I could not understand what has happened, I down shifted & switched off the AC & the blower but this also dint helped. I even switched off the stereo but to no avail.

Slowly I moved the car to the left most lane gradually downshifted to 2nd gear, continued for some time & then the car behaved normal. Although it was highway but the road was empty so it was not very scary but surely something to worry about.

I stopped to see if there was any white smoke but there wasn’t any.Engine temperature was also normal

Just before this happened I had put the blower speed to 3 since it was quite hot in late afternoon can this be a problem?
After some 30 mins while moving in traffic in 2nd gear I noticed the battery sign fluctuating just for a second. After this I travelled almost 80Kms but dint faced any problem

I would be visiting the service centre tomorrow but still would like to learn what could be the possible causes?

I read some similar threads for Swift & Vista but they were deisels,the one being questioned is petrol & only 3 months old ,1500 Kms driven
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Old 21st February 2010, 23:31   #2
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Most likely a case of bad fuel. Go through this thread to know trusted petrol pumps in pune. http://www.team-bhp.com/forum/shifti...rol-pumps.html
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Old 22nd February 2010, 00:00   #3
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Quote:
Originally Posted by kratos11 View Post
Dear BHPians ,
I was travelling at the speed of 70,2K RPM when suddenly I realized that that on pressing the accelerator the car is not moving forward. I released & pressed again but car seemed to be dead. The RPM started dropping (From 2K) ,I could not understand what has happened, I down shifted & switched off the AC & the blower but this also dint helped. I even switched off the stereo but to no avail.

Slowly I moved the car to the left most lane gradually downshifted to 2nd gear, continued for some time & then the car behaved normal. would like to learn what could be the possible causes?
Looks like it is a problem with the Throttle sensor or the feedback from this sensor to ecu

Hook up the car to a scanner to find out(that's eactly what you're planning,right?)

Just to add,switching off the stereo will make no difference in any scenario,except if someone wants to speak to you.
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Old 22nd February 2010, 00:23   #4
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Did the "check engine" light, 'light up' during this problem??
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Old 22nd February 2010, 01:43   #5
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Umm... did you try cutting the gear down from (I assume) 5th to 4th / 3rd and see if the RPM goes beyond 2k? Wanted to check if it is with the engine RPM being "locked" at 'x' RPM or something else...
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Old 22nd February 2010, 11:59   #6
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Was there any engine warning light at the time?

might be some sensor issue.
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Old 22nd February 2010, 12:37   #7
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Quote:
Originally Posted by vigsom View Post
Hook up the car to a scanner to find out(that's eactly what you're planning,right?)
The service centre tried it but there was no problem.They just said it could be a problem with the fuel.For them this is a new problem ,havnt heard of it before

Quote:
Originally Posted by AbhiJ View Post
Did the "check engine" light, 'light up' during this problem??
No there was no check engine light lighting up.

Quote:
Originally Posted by ph03n!x View Post
Umm... did you try cutting the gear down from (I assume) 5th to 4th / 3rd and see if the RPM goes beyond 2k? Wanted to check if it is with the engine RPM being "locked" at 'x' RPM or something else...
Yes I downshifted to 4th at same speed but the RPM dint increased,dint tried at 3rd gear,gradully lowered the speed,came down to 2nd gear & continued with this for some time.It worked this way

Since this was the first time I faced this issue,I'm willing to believe that it could be due some adultrated petrol.
Will keep everyone posted if this arises again (God forbid ! )
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Old 22nd February 2010, 13:31   #8
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I may be stupid but was the hand brake on?
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Old 22nd February 2010, 15:53   #9
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Quote:
Originally Posted by kratos11 View Post

After some 30 mins while moving in traffic in 2nd gear I noticed the battery sign fluctuating just for a second.
If they still have'nt, ask them to thoroughly check the alternator.
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Old 23rd February 2010, 10:47   #10
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Could be something simpler : Did you downshift? . If you were in too high a gear at 70 kph, and needed to suddenly accelerate, downshifting to a lower gear in the i20 is mandatory. That 1.2 L really has limited punch.
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Old 23rd February 2010, 11:07   #11
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Quote:
Originally Posted by kratos11 View Post
Dear BHPians ,
I faced a strange problem in my i20 (petrol) today.

I was travelling at the speed of 70,2K RPM when suddenly I realized that that on pressing the accelerator the car is not moving forward. I released & pressed again but car seemed to be dead. The RPM started dropping (From 2K) ,I could not understand what has happened, I down shifted & switched off the AC & the blower but this also dint helped. I even switched off the stereo but to no avail.

Slowly I moved the car to the left most lane gradually downshifted to 2nd gear, continued for some time & then the car behaved normal. Although it was highway but the road was empty so it was not very scary but surely something to worry about.

I stopped to see if there was any white smoke but there wasn’t any.Engine temperature was also normal

Just before this happened I had put the blower speed to 3 since it was quite hot in late afternoon can this be a problem?
After some 30 mins while moving in traffic in 2nd gear I noticed the battery sign fluctuating just for a second. After this I travelled almost 80Kms but dint faced any problem

I would be visiting the service centre tomorrow but still would like to learn what could be the possible causes?

I read some similar threads for Swift & Vista but they were deisels,the one being questioned is petrol & only 3 months old ,1500 Kms driven
You can go the service station and get everything checked, but my sense is there is no real problem. I faced similar issue in my Ikon. The cause was bad fuel. Topped up at a known petrol pump, got the fuel tank cleaned up at the service station and the car was good to go. Didnt see the issue again.
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