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Car is in limp mode after replacing the fuel pump

Tiny
ROBERT KING
  • MEMBER
  • 2004 SATURN L300
  • 3.0L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 194,000 MILES
Fuel pump went out, so I replaced it and now it is in limp mode. Giving a TPS not connected, camshaft sensor code and crankshaft code. When light comes on you have throttle up to 4000 rpm's but know more. When you cut the check engine light off, you have no throttle. Also, replace map sensor but you have to unplug to start car.
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Saturday, October 29th, 2016 AT 3:55 PM

5 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
That makes no sense why you would go into limp mode after replacing the fuel pump. What are the exact code numbers not code descriptions you have?
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Sunday, October 30th, 2016 AT 5:40 PM
Tiny
ROBERT KING
  • MEMBER
  • 3 POSTS
Po 343 p2122 po102 p2110 These are the ones I have, hope you can help.
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Sunday, October 30th, 2016 AT 5:54 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
So if you clear the codes how quick do the codes reset and which code resets first?
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Wednesday, November 2nd, 2016 AT 8:09 AM
Tiny
ROBERT KING
  • MEMBER
  • 3 POSTS
Po 343 camshaft sensor and just as soon as you hit it. Then pedal throttle control sensor. Camshaft sensor bank 1. Pedal control no circuit 2nd
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Wednesday, November 2nd, 2016 AT 2:37 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,602 POSTS
There is a ground wire back at the tank, can you make sure it is hooked up?

Best, Ken
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Wednesday, November 2nd, 2016 AT 5:00 PM

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