Question about 2001 Nissan Altima
Cuts off at red lights. It restarts then cuts off again. Ive had fuel system looked at, tuneup, distributor, and air control valve. Someone said I need and engine but I dont think so this engine was installed 2 yrs ago and has 100k miles. Engine light is on codes were evaluated. Someone said the computer??? Could it be a sensor? What else could be the problem help!!
Hi Nichelle, Take the vehicle for a diagnostic scan. If the engine sounds smooth and is running well, I do not believe you need an new engine. What is more likely is a defective fuel pump or fuel regulator. A very common fault on Nissans is the mass air flow sensor, which sounds as if it is the problem with your vehicle. Regards John
Posted on Oct 27, 2012
I had the same problem replaced the crank shaft sensor,problem was fixed.
Posted on Nov 24, 2012
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Posted on Jan 02, 2017
this problem could be caused by the mass air flow censor, i had the same problem with my car. it is really pricey at the dealer so you might want to check elsewhere for this part. I found one at a scrap yard for 85% less that the dealer and i also got life time warranty, the dealer does not offer any warranty on this part.
Posted on Oct 22, 2008
You will need a new catalytic convertor assembly. Yours is below treshold efficiency in other words its "no good".If you have it replaced, ask the garage/dealer to give you the old one back. Its worth some cash if its full. It doesn't matter thet it failed. They are going after the mesh inside of it and that is worth some $$$$. May not be much , but better than nothing.
Posted on Jul 26, 2009
A qualified repair shop wil need to check these codes and recommend repairs. a scanner and a manual will be needed for diagnosis.
Posted on Oct 17, 2009
If you get the P0740 code it means there is a problem with either the torque converter or the control system for the torque converter in your car. It might be such a slight problem that you don't notice anything, or it may be totally UN-drivable. It depends on what part of the system failed and how badly it failed. To fix it, it can be anything from a simple fluid and filter change (to get debris out of the fluid that might be clogging the solenoid up), or it could be an electrical problem (such as the solenoid, or wiring) or it could be the torque converter itself has failed (which would mean the entire transmission is likely ruined from the debris). It IS definitely a difficult problem to diagnose, and impossible to diagnose without taking anything apart (or at least test driving it with some diagnostic equipment). Starting with the basic (inexpensive) stuff like a fluid flush and filter change and working your way up from there is usually the best way to go, as long as the car is still drivable. Hope this helps
Posted on Apr 16, 2010
p0325 is, ignition system or misfire, could be plugs, wires, or a bad coil. p1126 throttle control motor relay curcuit open.P1126 Power supply for the throttle control motor is provided to the ECM via throttle control motor relay. The throttle control motor relay is ON/OFF controlled by the ECM. When the ignition switch is turned ON, the ECM sends an ON signal to throttle control motor relay and battery voltage is provided to the ECM. When the ignition switch is turned OFF, the ECM sends an OFF signal to throttle control motor relay and battery voltage is not provided to the ECM. possible cause, Harness or connectors (Throttle control motor relay circuit is open Throttle control motor relay.
Posted on May 07, 2010
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