2003 Nissan Altima "spark plug gap smart" Questions

...spark plug wires and go from there. The most common misfire causes on the cars I've worked on have been: Spark plugs Spark plug wires Ignition coil Fuel injector Wiring to fuel injector Timing Belt ...

...spark plug wires and go from there. The most common misfire causes on the cars I've worked on have been: Spark plugs Spark plug wires Ignition coil Fuel injector Wiring to fuel injector Timing Belt ...

smart folks can help the above is useless. no one fact besides car misfires. if wanting to guess, (why pray tell ever) id put in new spark plugs, make dang sure right type, and gapped perfectly called

...spark ,check in dash panel there is no blinking red key, for some unknow reasons the smart key some times didn't work fine n'd "pats" system will not allow the engine run ,for more accurate answer ...