Car will not start

Tiny
NISHNISH
  • MEMBER
  • 2006 NISSAN SENTRA
  • 1.8L
  • 4WD
  • AUTOMATIC
  • 300,000 MILES
I changed the crank shaft censor A and B and the starter and new battery in my car and it still will not start. What could be the problem?
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Wednesday, February 22nd, 2017 AT 11:19 AM

3 Replies

Tiny
CARADIODOC
  • EXPERT
The first step is to properly describe the symptom, then I should be able to help if it is a starter problem. You listed the crankshaft position sensor, which applies to a crank/no-start or run problem. Then you listed a battery and starter, which implies the starter is not even spinning the engine. Those are two totally different problems that people lump together as "does not start".

If the starter is cranking the engine, but the engine does not run, the place to start is by reading and recording the diagnostic fault codes. You will need a code reader for that. Many auto parts stores rent or borrow tools. They may have one you can borrow.
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Wednesday, February 22nd, 2017 AT 2:41 PM
Tiny
NISHNISH
  • MEMBER
When I try to start it it acts like it wants to start but it will not turn over.
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Wednesday, February 22nd, 2017 AT 3:17 PM
Tiny
CARADIODOC
  • EXPERT
I do not have any idea what is taking place. "Will not turn over" means the starter is not cranking the engine fast enough for it to run, or not cranking at all. The first step is to find the "Park/Neutral Position" relay in the under-hood fuse box. Put your finger on it, then feel if it clicks when a helper turns the ignition switch on to the "run" position.

We will need to take some voltage readings in this circuit. A test light will work fine for this. Let me know what you find with the relay.
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Wednesday, February 22nd, 2017 AT 6:00 PM

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