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2001 Nissan Sentra Engine Problems

Tiny
XX1980
  • MEMBER
  • 2001 NISSAN SENTRA
  • 4 CYL
  • FWD
  • MANUAL
  • 75,000 MILES
I got a 01 nissan sentra se 2.0l with 5sp.
it had a bad engine and we replaced it with another one. The problem is that when you are accelarate at full throttle, in the range of 2k-3k rpm, engine starts to shake, or stutter. It feels like its not getting enough air or too much of it, or even too much fuel. Now if you accelerate smoothly (without stepping on it) it seems to be doing just fine. I tried replacing different sensors and gadgets from the old engine and its still the same, tried replacing spark plugs, wires, distrubitor cap, and its still the same. The check engine light is NOT on. There is no smoke in the exhaust.
any ideas?
thanks.
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Tuesday, April 8th, 2008 AT 8:37 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,661 POSTS
It sounds like you have an injector that is starting to fail, or a broken valve spring. Please inspect and get back to me. There is an outside change that the headgasket is just starting to blow between to cylinders. Plus double check the ignition system, plug wires mostly. Make sure there is no oil in the distributor cap. Please get back to me.
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Tuesday, April 8th, 2008 AT 4:43 PM

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