Having read most of these comments, we have a 2002 Altima 3.5 SE with emission failure P1028. Engine coolant temp does not reach normal operating temperature (normal 180 degree), and also very low heat at idle. We replaced the thermostat and radiator cap, which heating somewhat improved, but one of two hoses to the heater core is much colder than the other, meaning we have restriction on flow through heater core. We will check the cold heater hose, and same time flush the heater core to make sure no heater core clogging. But the interesting thing is the water pump on this engine is driven by a timing chain, and if the water pump propeller is weak or broken, then that also explains slow water flow inside radiator.
Also the air conditioning fan stays on most of the time, even though defrost mode is not even selected, meaning excessive cooling on the radiator.
And by the way, did you lose that 2.5L engine a few days later after an oil change; most likely not enough oil was put in, especially if the oil change was done at a quick lube; they refill the engine with enough oil after oil change. It happens all the times at these cheap oil change places, and you need to learn where to have your car serviced, and not treat it cheap. After all, your car is your 2nd most important investment after your home!
I have all the problems everyone here has, and I'm looking for help myself. This is not easy driving with no heater; I need help!!!
I'm having the same problem with my 02 Nissan Altima 2.5L. Just about a year ago, the engine light came on, so I went to Advance Auto Zone and used their diagnostic tester, and the code came up for the catalytic converter, and now my car doesn't want to start.
I replace the starter and the motor. Changed the value cover and the gasket. Changed the spark plugs and my car still doesn't want to start. I have to keep pushing the car for it to start, and I always smell fuel, so I know gas is circulating.
So I took it to use the Advance Auto diagnostic tester, and now the code for P0300 random/multiple cylinder misfire is detected. And I'm like WTF?
I'm tired of putting money into this car, and I don't have money like that to be wasting money on this car. I'm a college graduate looking for a job still, and have loans to pay. I just can't afford a new car or making all these repairs.
From what I said, can anyone tell me or give me a idea of what could be the problem? My email is firstname.lastname@example.org. Thanks and God Blessed.
I bought my 2002 Nissan Altima in Feb 09. Five days after having it, my oil light came on. I brought it into the shop and they said it had no oil. The dealership changed it two days before I picked it up. One week later the oil light came on again, but this time on the NYS Thruway where there nowhere to stop. There was loud noise, black smoke, the engine blew up right there in the speeding lane, with my kid in the car. I had it towed and had the engine replaced (thanks to extended warranty). Now the check engine light is on and won't go off. So now I need a CC and the sensors. I replace the sensors costing $500, but they are still showing up on the diagnostic. So now the car is stalling, and once again I had to have the car towed. One problem after another. I never planned on using my savings to fix a car. Thanks Nissan, I will never purchase another one of your vehicles. :(
I have a 2002 Nissan Altima.
The service engine light came on. I cleaned around the gas cap and replaced the cap, the light has not come back on.
The seal around the doors keep coming off because they do not fit properly, the molding on the outside of car keeps coming off. I replaced the clips and still it comes loose. The heat has always been a joke. No heat while idling, what good is that to get the ice off? I have replaced the thermostat. Nothing! The coolant level is good and clean.
I service my car regularly. It runs rough. It has hesitated starting and while driving regardless of the temperature. Yet it is worse in the winter.
I had a 2003 Altima, which I purchased used in 2005.. it had 23,000 miles on it... all was great until approx 60,000 miles when we had to replace the radiator...
At approx 80,000 miles, the problem with the heating system began.. no heat unless the car was moving... multiple mechanics were unable to figure it out or fix..
Had to have the steering rack replaced at approx 90,000...
At 100,000 the ignition went...
The car always had a weird rattle/noise in the rear passenger area...
A co-worker has the exact car, but in the 2002 model.. she also has the same problem with the heat, and her car is now garaged because she needs a new engine...
My car just got totaled in an accident with a deer.. it had 111,000 miles on it.
This car is the worst... don't buy. I repeat do not buy.
With regards to the 2002 Altima, NO HEAT SITUATION: I was having this very same problem with my Altima. I purchased it back in 2002, brand spanking new. Everything seemed to be working fine until recently, I noticed no heat! Since I don't normally drive this car, I had not noticed this problem. Anyhow, after checking different blogs about a possible cause, I tried one that was very simple. I removed the radiator cap and filled the reservoir to the max. Let engine run for about 10 minutes with the heater full blast (cap off). Within a few minutes, started to get heat. It appears there was some type of air pocket in radiator. Best if you do this on the street. Made a mess in the driveway, but it worked.
Hope this helps someone, it sure solved my problem.
2002 Nissan Altima
I am having heating problems too.
I get no heat when idling or driving at low speeds below 45 km hr. I get heat when driving at a constant high speed i.e. primarily on the highway (not stop and go). Has Nissan acknowledged that they have a problem? Does anyone have a a solution?
Next car will be a Honda.
I brought mine in for a O2 sensor recall with 130,000 on the dash, and they gave me no problem. They also did a reboot on the car's computer at no cost to me. Can't hurt to ask.
It's the head gasket.
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