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Kia Optima

Tiny
ONIMISI
  • MEMBER
  • 2004 KIA OPTIMA
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 89,000 MILES
I have a 2004 kia optima, the timing belt snapped at 89000km. After we replaced the timing belt and the crankshaft blade and sensor the car refuse to start. It doesnt send sparks to the plug and it doesnt start. They told me that me Engine computer (brain box) might be faulty. Can anyone please help
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Thursday, February 3rd, 2011 AT 6:50 PM

7 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
This car doesn't offer a 2.0. What engine do you have?
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Thursday, February 3rd, 2011 AT 7:04 PM
Tiny
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  • 4 POSTS
It is 2.4
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Thursday, February 3rd, 2011 AT 7:06 PM
Tiny
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  • MECHANIC
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If this is a DOHC engine, then it's an interference engine and very likely has a bunch of bent valves now. I would do a complete compression test before going any further.
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Thursday, February 3rd, 2011 AT 7:12 PM
Tiny
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  • 4 POSTS
The valves are okay they are not bent.
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Thursday, February 3rd, 2011 AT 7:15 PM
Tiny
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  • MECHANIC
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And exactly how did you conclude that?
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Thursday, February 3rd, 2011 AT 7:26 PM
Tiny
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The mechanic open the top cylinder and saw it, and it was confirm by other mechanic
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Thursday, February 3rd, 2011 AT 7:27 PM
Tiny
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  • MECHANIC
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Unless he actually removed the head and inspected the seating of all the valves, he hasn't seen anything that could confirm that valve aren't bent. A leakdown test or complete dissassembly are the only 2 ways to know for sure.
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Thursday, February 3rd, 2011 AT 7:35 PM

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