2006 Nissan Altima Cranks But Won’t Start

Question

My 2006 Nissan Altima cranks but will no turn on when I try to start the car. I was driving the car and noticed the check engine light was illuminated but not blinking. Then the Altima started to feel like it was losing power. So for example, when I would try to accelerate by stepping on the accelerator WOT the car would hardly gain any momentum.

I already checked for spark and fuel and it was good. I pulled the spark plugs out and they were wet with gasoline so I know the engine wasn’t firing with continued cranking. A month ago I had a misfire issue but I resolved that with new parts.

My vehicle is a 2006 Nissan Altima 2.5 liter 4-cylinder engine.

solved 0
Randy Huett 3 years 2021-01-17T16:53:13+00:00 2 Answers 886 views Beginner 2

Answers ( 2 )

  1. Matthew Moore
    2
    2021-01-17T16:56:53+00:00
    Reply

    If you were having a misfire check the catalytic converter (both) and see if there is any unusual discoloration. A misfire could have dumped too much raw fuel in the converter and damaged it.

    Also try removing the O2 sensor and try and start the vehicle. It should crank up no problem. If not, let me know.

  2. James
    1
    2021-01-17T16:59:09+00:00
    Reply

    2006 Nissan Altima Cranks But Will Not Start

    Nothing is worse than having a meeting or appointment to get to, only to realize your Nissan Altima will not start.  There are a few reasons that this might happen.  Knowing what the issue could be may help you to solve or avoid the problem in the future.

    There may be a problem with the Nissan Altima’s starter system, the fuel pressure, the timing of the spark, or the compression.

    Power Supply Problem

    If the starter motor is weak, it may not have the required amperage to crank the Altima’s engine and turn on the fuel injectors and ignition system.  If this is the issue the starter may make a funny noise, or you may just hear a click because it will not turn over.

    If your battery is weak, that may also be part of the problem.  A battery can be checked using a multimeter while cranking the engine to see if it has enough voltage.  The meter should indicate 10 volts or higher.

    Low Fuel

    Fuel flow can be affected if there is a damaged fuse, a problem with the fuel pump, contaminated or incorrect fuel, or not fuel at all.

    The right fuel pressure is required for the vehicle to start.

    Weak or no Spark

    If the timing system is not working correctly, all cylinders may not be firing when they are supposed to.  This can also prevent your Nissan Altima from starting.

    Low Compression

    The cylinders require compression for the vehicle to start.  If compression is low, air can get past the piston rings making it difficult for the cylinder to turn the crankshaft.

    If you are not sure why your Nissan Altima will not start, it may be best to take it to a mechanic if you are not able to solve the issue by checking the above-mentioned sources.

    Best answer

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