Will not crank

MANDIE WIGGINS

MEMBER
2004 NISSAN MAXIMA
3.5L
6 CYL
2WD
AUTOMATIC
130,000 MILES

I recently purchased this car for my daughter. I have replaced the O2 sensor, crankshaft sensor, valve cover, coils, plugs, struts, and finally the throttle position sensor. I have tried three times to relearn the throttle body with no success. Any suggestion as to how to get this car back in running condition?

3 Replies

ASEMASTER6371

MECHANIC
52,797 POSTS

Good morning,

Let us start with the exact issue you have. You have replaced a lot of parts but have not stated the issue.

https://www.2carpros.com/articles/car-cranks-but-wont-start

Does the starter turn over the motor?

Is it a crank and no start?

What testing have you done. I see the parts you replaced but what tests have been done?

Roy

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Saturday, August 17th, 2019 AT 6:23 AM

MANDIE WIGGINS

MEMBER
2 POSTS

It will turn over. The starter is fine. The valve cover was the initial problem when I bought it but of course when placed on the scanner, it uncovered the other problems. So I fixed and replaced everything that the scanner coded wrong and now I cannot get the car to crank. It will spin over but will not crank.

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Saturday, August 17th, 2019 AT 6:36 AM

ASEMASTER6371

MECHANIC
52,797 POSTS

Okay, so it does crank over.

What were the codes? Codes rarely identify bad parts, just failed systems. A clue might be there for the reason it will not run.

Did you check fuel pressure and check for spark?

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

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

Also, compression should be checked.

https://www.2carpros.com/articles/how-to-test-engine-compression

Roy

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Saturday, August 17th, 2019 AT 6:53 AM