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Just replaced catalytic converter, exhaust manifold and O2 sensors on my car and now it cranks but wont start

Tiny
JARED ELLSWORTH
  • MEMBER
  • 2003 NISSAN ALTIMA
  • 2.5L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 199,000 MILES
Just replaced catalytic converter, exhaust manifold and o2 sensors on my car and now it cranks but wont start. Also, when I press on the gas the rpm's do not go up. Previously replaced spark plugs and crankshaft and camshaft sensors. Do not know what can cause it.
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Wednesday, October 12th, 2016 AT 6:50 PM

2 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
It sounds like you have knocked off the crankshaft angle sensor electrical connector. Can you please check it? Here is the location.
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Sunday, April 25th, 2021 AT 1:38 PM
Tiny
EDWARD GIAFONE
  • MEMBER
  • 1 POST
I had the same problem and the sensor was broken. I replaced it and now it starts up great.

Thanks for the help.
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Sunday, April 25th, 2021 AT 1:38 PM

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