New crank sensor and still won't start

Tiny
BRANDY PATTISON
  • MEMBER
  • 2005 NISSAN ALTIMA
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 257,832 MILES
The catalytic converter was taken out but not the 02 sensor, put it back together, changed spark plugs, cleaned injectors, dropped gas tank cleaned it all out along with flue pump and filter new crank sensor and still won't start. Can't figure out why?
Tuesday, April 27th, 2021 AT 1:04 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Hi,

First, if it is possible, record it cranking so I can hear it.

Next, we need to determine if there is spark and fuel making it to the engine. The easiest thing to try is this. See if it starts for a few seconds using starting fluid. If it does and then stalls, it is a fuel-related issue. If there is no change, then we need to look at the ignition system.

Here are three links for you to review. The first covers a crank no start condition which you are experiencing. The others explain how to check for spark and fuel to the engine.

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

https://www.2carpros.com/articles/how-to-test-an-ignition-system

We need to identify which system is failing. Also, I asked for the recording so I can confirm it isn't a timing-related issue.

Let me know what you find or if you have other questions.

Take care,

Joe
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Monday, May 17th, 2021 AT 6:22 PM

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