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#1 (permalink) Old 09-10-2010, 01:19 PM
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Angry Problems Starting

Hi
Ive recently Bought a Rio but im having many problems with it starting. the car has been back to the garage (not Kia dealer) 5 times but still not sorted.
Sometimes the car struggles to start and takes several attempts, I have had the problem since i bought it 2 months ago and the garage has replaced the crank sensor which has not resolved the problem.
I am getting a bit peeved off now as the garage cant find any faults and they now want to keep it for a week.
Can anybody tell me what the problem maybe so i can look into it.

Thanks
Gren
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#2 (permalink) Old 09-10-2010, 02:33 PM
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Hi and WELCOME to the KIA forums, please expand on what you mean by not or[ hard starting]. Do you mean not cranking well enough to start or cranking ok but not being able to fire up the engine. This will help members to give you their ideas on the subject easier. In a lot of cases starting problems are earth[ ground] circuit related. These types of problems are usually as simple as poor connections to body and earth but can give false code readings etc and cost a lot in parts if the garage doesn't check earths first before starting to follow codes and replacing parts. Get an auto electrician to give their opinion ,before replacing any more parts, it may save you a fair bit of cash.

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#3 (permalink) Old 09-10-2010, 03:35 PM
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[QUOTE=Feeblemonk;309536]Hi
Ive recently Bought a Rio but im having many problems with it starting. the car has been back to the garage (not Kia dealer) 5 times but still not sorted.
Sometimes the car struggles to start and takes several attempts, I have had the problem since i bought it 2 months ago and the garage has replaced the crank sensor which has not resolved the problem.
I am getting a bit peeved off now as the garage cant find any faults and they now want to keep it for a week.
Can anybody tell me what the problem maybe so i can look into it.

Thanks
Gren

The car Cranks every time but fails to start every now and again sometimes starts first time but other times it cranks but wont start for several minutes.
It seems like an Immobiliser fault. has anybody else had this problem? if so what corrected it.
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#4 (permalink) Old 09-10-2010, 06:00 PM
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We always approach a 'cranks but no start' car by finding out which of the three essentials to run is missing when it won't fire up. Missing spark can only be caused by certain parts, as well as missing fuel....either pressure or injector pulse narrows down the possible culprits.

I think it safe to eliminate compression problems as it is intermittent so when it fails to start, pull a coil and see if you are getting spark. If so...and it still won't start...then you are missing fuel.

Once you know what is missing, it will be a LOT easier to suggest a cause and cure. Good luck!
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#5 (permalink) Old 09-11-2010, 11:14 AM
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Lets get a good start. Please fill out your profile as to general location and year, model of KIA. KIA's are sold all over the world some with gas engines and some with diesels. We here on the forum have no idea what you're asking about till you inform us as to what and where. Help us help you.

NEW MEMBERS Please fill out your profile, it helps us help you better and quicker.
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#6 (permalink) Old 09-22-2010, 04:18 AM
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it also sounds like the injectors could not be working correctly. i have a bunch of kia parts, send me an email and i could sell you some injectors for $120 shipped. or if you come to the conclusion its something else i might have the part and ill sell it for cheap. i had a 17k mile rio that was rear ended and i am parting out. norcalaudi@hotmail.com is my email.
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#7 (permalink) Old 09-22-2010, 08:04 AM
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Because he hasn't filled out the profile area...we have no idea what year, what engine, what transmission, what general location of the world, what fuel.
It's almost impossible to tell what he has... One "clue" though is he asks about the "Immobiliser" ...possibly Canada.
Like "pulsar86" said probably a bad ground/earth/body return wire... If the mechanic had a reason to replace the crank sensor (like codes or no pulse from it) ...I'd be looking at the ground wire off of it where it bolts to the engine or car body. The ECM (engine control module, the brains behind the engine) won't turn on the fuel pump IF it doesn't see pulses from the crank sensor and/or cam sensor. and will also have spark timing problems. On some KIAs the ground for BOTH sensors are the SAME wire. There should be a sticky in the DIY area on how to clean and prepare (repair) the bad connections.
I also read where there has been a problem with the coolant temperature sensor in a few models. The ECM "thinks" its a lot colder or hotter than it really is and the air/fuel mixture is then "mixed" wrong.
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