When starting it constantly cranks and cranks?

2008 NISSAN ALTIMA
48,999 MILES • 2.5L • 4 CYL
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KBIRDWELL97
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when starting my car up its constantly cranks and cranks and it will turn over and sometime i have to step on the gas in order for it to turn over all the way if that makes sense if i don't it will start like a coughing sound and then turn off but if i step on the gas most of the time it catches and will run i recently changed the crankshaft sensor and got new spark plugs and coil around the month of November why do you think that's happening and what should i do?
Jan 27, 2025 at 6:35 PM
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STRAILER
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Lets run the codes to see if any are stored. It can be a weak fuel pump as well. Here is a guide to go over which will help us fix the hard starting issue:

https://www.2carpros.com/articles/engine-cranks-excessively-before-starting

Also, I would service the throttle body, here is a guide and instructions for your car in the images below.

https://www.2carpros.com/articles/throttle-actuator-service

Check out the images (below). Please let us know what happens.



Jan 28, 2025 at 10:22 AM