My car has some issues starting when warm

Asked by Sep 15, 2015 at 03:21 PM about the 2011 Nissan Altima 2.5 S

Question type: Maintenance & Repair

in the morning it starts up just fine but once  
it warms up it just doesn't want to start it
will crank 4-6 times then start.. it is push
button start so im worried this will damage
the engine.

3 Answers

90,325

Try cleaning the MAF and O2 sensors. The PCM at times can't tell if the engine is hot or cold. Cleaning the throttle body may help.

maf and throttle body are newish.. less than 1k miles, had a p0100 (air lea,k faulty maf) code come up replacing the throttle body fixed it after i replaced the maf

90,325

Ok then you can remove the o2 sensors, they can be cleaned without having to purchase new one...you can also do one of two things, try injection cleaner add some to you fuel tank and try this with at least 3 to 4 tanks or have the injectors cleaned...

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