Question about 2003 Nissan Sentra

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2000 nissan sentra hard starting and dies upon acceleration

I took it to a service center and was told it needed an O2senser and when went to pick it up it would not run so i had another mechanic tow it in and he said it needed a fuel pump and we replaced the pump and filter and pressure regulator and it will crank if you pump the accelerator a few times it will but as soon as you try to accelerate it dies and, he said he does not have a clue .

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Lets take a look at a couple of things;1 is the air intake filter ok ie;clean and dust free.2 check around the throttle body/inlet manafold look for vacuum pipes soft rubber type tubes check them for leaks.if this fails run a can of fuel cleaner through the system.the only other thing that would cause problems of this nature is your injectors.please let me know the outcome.adrian

Posted on Feb 18, 2009

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Posted on Jan 02, 2017

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