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What would cause my fuel pump to come on

Tiny
LEWIE7
  • MEMBER
  • 2002 KIA SEDONA
  • 70,000 MILES
Only when the ignition is turned off after attempting to start. (It won't start) I have replaced fuel filter, pump, spark plugs, timing belt and now find the fuel pump comes on when the ignition is turned off, not when it is turned
Monday, September 19th, 2011 AT 7:45 PM

5 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
Interesting. Have you checked the ignition switch?
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Monday, September 19th, 2011 AT 7:48 PM
Tiny
LEWIE7
  • MEMBER
  • 3 POSTS
No I haven't. The ignition is turning the starter and the engine seems as if it wants to catch, but there isn't fuel coming into it until after you turn the ignition off.
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Monday, September 19th, 2011 AT 7:57 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
Since it engages the starter by itself, I feel there is a short in the switch. I would have that checked.
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Monday, September 19th, 2011 AT 8:05 PM
Tiny
LEWIE7
  • MEMBER
  • 3 POSTS
Would this be the case if the starter works?
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Monday, September 19th, 2011 AT 8:42 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
The signal starts at the switch. If something shorts, it could be the switch.
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Tuesday, September 20th, 2011 AT 12:04 AM

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