Problem with car start after a long drive

Tiny
DSUBRAM
  • MEMBER
  • 2006 HYUNDAI SANTRO
  • 40,000 MILES
Hello All, I own a Hyndai Santro 2006 Model which ran for 40000KMs.

My car won't turn over or hard starts after I have been driving it for a while as I run my errands and I make multiple stop starts around town.

When I start my car up in the morning or after a long time being off (1 hr+), I have no problems. The problem starts when I am running around in the car and I have to turn it off to go into a store or something. I usually don't have a problem at the first stop, but at the second and third stop I notice a bit of hard starting and sometimes it won't turn over at the fourth stop.

Any reasons for this problem and how to troubleshoot the same?
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Friday, January 6th, 2012 AT 10:23 AM

7 Replies

Tiny
DRCRANKNWRENCH
  • EXPERT
You may have a problem with a blockage in the intake tract or exhaust tract. There could also be a fuel management issue.
I am giving you a walk through diagnostic for this situation. It goes over all of the most probablble causes and how to recognize them and test and also fix them in some of the walk throughs. It goes into more detail on each possibility than I can hear. It is very well put together.

Here is the link;

http://www.2carpros.com/articles/engine-cranks-excessively-before-starting
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Friday, January 6th, 2012 AT 2:40 PM
Tiny
DSUBRAM
  • MEMBER
I checked intake tract and exhaust tract. Everything is fine and its confirmed by service person of Hyundai too. In addition service person from Hyundai confirmed to me everything is fine which he cross verified with his tools. They made car to be in idle with engine on for 2 Hrs and then gone for test ride on road for 35KM and didn't see the problem. What should I do when this problem happens next time? Hyundai service engineer says he don't see the problem and would like to see car when the problem happens.

Any alternative I can have to solve this problem?

Thank you
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Monday, January 9th, 2012 AT 9:51 AM
Tiny
DRCRANKNWRENCH
  • EXPERT
There is not much else I can think of to go on as far as diagnosis at this point. The big problem is that it is intermitant and something is degrading slowly and cannot be replicated all teh time. You almost have to wait for whatever is wrong to get worse before you can find out what is wrong. If the trouble codes have been checked that means nothing is ouside of the specs far enoguh to be an issue. However, something is going outside of spec at some point while you are having the issue.
If I have not sugggested testing the fuel pressure, that is something you shoudl do and believe it is covered in the wlak through I gave you. The only poroblem is that it would be best to check it when you are having the issue. You might test it and it is fine when the issue is not present but it might be out of psec when the car won't start.
If you are under a warranty the most impoatant thing is to have the issue documented. Also make sure you get a copy of the documentation. This should be something that goes into the dealership database that Hyundai could acess later if needed. You will want some kind of printout that is liek a repair order or smething that shows the data was put into a database and reported at some point. Also, try and go to another dealer and have them try to diagnose it and have it documented there as well. Once warranty runs out and the issue returns and fails completely so replication is no loonger an issue, you will have a good chance at geting it fixed for free or at least at a discount. This will depend on how many times and places you report it and document it and how long after the warranty experation the problem is bad enoguh that the vehicle does not work at all.
Otherwise the issue will be all on your dime even thoguht warranty should cover it as it is a problem and if you are under waranty you have the right to have it fixed even though it could not be diagnosed at the time.

If you need anything else, let me knwo.
We are always here for any issue that pops up. So come back anytime you need halp or advice.

Take care and let me know how it turns out.

Dr. C
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Wednesday, January 11th, 2012 AT 1:28 AM
Tiny
DSUBRAM
  • MEMBER
Thank You for your response and suggestions.
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Wednesday, January 11th, 2012 AT 3:53 AM
Tiny
DRCRANKNWRENCH
  • EXPERT
You are very welcome. Come back any time if you have any other problems or need advice. We are always here to help.
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Wednesday, January 11th, 2012 AT 4:03 AM
Tiny
RAHUL_DEL24
  • MEMBER
Hi dsubram,

Were you successful in nailing down the problem? I am facing similar issue in my Santro and it makes the car almost un-usable. Please reply to me at rahul_del24@yahoo. Com in case you were able to find the root cause.

Thanks,
Rahul
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Monday, December 17th, 2012 AT 5:59 AM
Tiny
DRCRANKNWRENCH
  • EXPERT
It is probably something electrical that is failing slowly and intermitantly. I don't think they ever got back to me with an answer on what the fuel pressure was, but that would be the first thing I would test.
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Tuesday, December 18th, 2012 AT 1:18 AM

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