Nissan maxima starting problem - help needed

Do you have a check engine light on? I would assume the mechanic would have checked for that but sometimes it won't always be on. It sounds like it could be a cam-sensor, my mechanic told me when mine was going out that it could cause the engine to spin and spin but not start because the ECU doesn't know the engine is actually spinning. Anyway it's like a $60 part if you can do it yourself so its a relatively cheap fix if its the issue. Good luck.

When it's cold the engine needs more fuel to start. If the temp. sensor that your computor monitors is faulty it could be telling your computor that is warmer than it actually is. 25.00 part i would try that.

Thanks Matt. I have check engine light on from 2 days back. Mechanic told me that it is due to the rear oxygen sensor failed. He told me that it should not cause an issue with the starting.

Thanks Arthur. I will try it out today.