Check behind the front seats in the footwell for broken or disconnected cables; people getting in and out of the back disturb them. Failing that take it to a garage and get the fault codes read. Often it just needs the data bus flag reset which can be done when the codes are read.
A flashing check engine light means an engine cylinder misfire has been detected
when a check engine light is flashing on any car means that there is a very strong miss fire that could damage the cat.
A flashing check engine light means an engine cylinder misfire has been detected
Have a similar problem with my forester 1999.
A malfunction has been detected
Go to auto zone and have the codes read for free. DISCONNECT THE BATTERY I disconnected the battery and the light did not reset On my '95 maxima I have to leave the battery disconnected for ~24 hours to reset the engine lignt. On my 1987 Maxima there is a button to push to reset the light. It is located underneath the passenger kick panel. On my 1999 Maxima I had to disconnect the battery for 24 hours : Go to autozone and have them clear it, easiest way, go to yoru local mechanic, he should have a obd scan tool, pay to have him remove it.
The knock sensor is located on below the intake manifold on a 1999 Maxima
If your check engine light is flashing , an engine cylinder misfire has been detected
On a 1999 Maxima the Evaporator is located on the left side of the car behind the fuel tank
it means its not charging properly should be 12.6 -14.2 when running.
The 1999 Nissan Maxima does not have a cabin air filter. It never came with one.
The alternator on your 1999 Nissan Maxima can be found on the front of the engine. The alternator will be on the right hand side of the engine.