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Wont start

Tiny
GLENJONES
  • MEMBER
  • 2000 HYUNDAI SONATA
  • 2.5L
  • V6
  • FWD
  • AUTOMATIC
  • 150,000 MILES
I replaced the starter. The car started then I turned it off. Went to start it again but it just turned over. Checked the fuses, found a blown fuse [15 amp] to the ecu. Replaced with a 30 amp fuse. The engine started but I noticed smoke coming from around the starter area, turned off the engine. Checked the starter and found that the battery cable was grounding to the heat sheild. Fixed that. Checked the fuse to the ecu and it was NOT blown. Turned the engine over and will not start. I changed the 30 amp fuse back to a 15 amp fuse. Checked all other fuses and they are good. Engine turns over but will not start
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Saturday, July 16th, 2016 AT 5:14 AM

3 Replies

Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Make sure it's getting fuel and spark.
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Tuesday, July 19th, 2016 AT 11:47 AM
Tiny
GLENJONES
  • MEMBER
  • 2 POSTS
Turns out if you overload the ecu circuit it overloads the crankshaft positioning sensor. That was the smoke I seen coming from the starter area.
On the initial inspection I couldn't see the wires going to the sensor. I dug a little harder around the starter and followed a wire to the block noticing the last 3 inches was bear and melted 3 wires together.
Replaced the crankshaft position sensor and the car fired right up.
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Thursday, July 21st, 2016 AT 2:10 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,595 POSTS
Great to hear, yep I have shorted my fair share of electronics when changing the starter out, It a little more common then most realize, good find btw, please use 2CarPros anytime we are here to help.

Best, Ken
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Thursday, July 21st, 2016 AT 11:08 AM

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