Check engine light is on. removed mass air flow sensor and check the car the problem remains. car still does not accelerate properly. in park and in drive holding the gas pedal to the floor car is very slow in accelerating. when pulling out from a complete stop the car takes about 30 seconds to begin to gain any speed.
How does removing the MAF sensor "fix" the problem? MAF is THE most important sensor for the engine to run, while it may be your problem there should be an MIL on. Get the code for a clue to your problem
SOURCE: 2003 Nissan Altima 2.5S, Check Engine Light Problem.
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.
SOURCE: When I try to accelerate my car has no power!
There could be a couple of reasons. Yes a tune up would be nice. But my not fix the problem. If you are not losing acceleration on straight away but on hill, then it could be the torqe converter. Also have your MASS airflow sensor checked and air filter.
Also check your fuel pressure at the fuel rail. Get a fuel gauge and look for a port on the fuel rail for a port that looks like the valve on the tire. Screw it in and crank the car. You will have to call the part store to find out what pressure it is supposed to be. If there is low or eratic pressure the its the filter or pump
SOURCE: 2005 Nissan Altima cuts off while driving.
Dear Tajack73: Nissan had a voluntary recall campaign on the 2002,2005,2006 Altima's with the 2.5 litre engines It envolves reprogramming the ECM.
The campaign ID # RD0712 NHTSA #: 07V-527
2005 Altima Vin's 1N4AL11**5C 100003-957025
1N4AL11**5N 400000-934180
The symptom you have described fits the one they have describe in the bulletin. Check with Nissan and see if your car falls within the campaign. Let men know how you do.
I had a problem on my Nissan Xterra 2000. Symptons sound similar. In my case, it ran fine for a while and then suddenly the engine starts to stumble and lose output. At one point it did not even have enough HP to move. Irregular idling too. Thought it was water in my fuel. Bought water remover from the store and added to gas tank. Problem did not go away. Instead, "Service Engine Soon" light came on. Had to have it towed to the dealer as there was no way the engine could keep up with traffic. Dealer replaced the "Crank Position Sensor" today. Parts $33.00, Labor: $300 (about 3 hrs worth of work). Seems to work fine now but I will wait and see. Dealer also stated that Distributor bearing appears to be noisy and will need to be replaced sooner or later. I will wait for it to go before I fix that.
SOURCE: My 2003 Nissan Altima won't accelerate.
The accelerator is a potentiometer connected to a pedel and the wires go directly to the ECM. If the AWU( accelerator Working Unit) was bad the engine would run constant at 1800-200 rpm. Do any codes come up? I will do some more research and repost.
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