hi i have a 92 maxima se 5 speed and i noticed last thursday when i was pulling out of school that my car was alot slower and was vibrating alittle it only vibrats at low rpms below 3000 so i thought it was a cylinder not fireing so i started by pulling each plug wire till i found the one that didnt make any difference in engine speed the second one i pulled the front middle one is the one at first i switched sparkplugs then i switched the coilpack and it wasnt either of those so then i layed the coilpack on the valvecover with a sparkeplug in it and it was sparking like a motherf***** so i know that it isnt ignition so then i pulled the left fuel injector wire and the engine slowed down so i pulled the middle one and the engine stayed the same so i am asuming that its the fuel injector and since the maxima is natorius for haveing bad fuel injectors im assuming its that but i would like to know if theres anything else i should check befor buying a new one also when i went to autozone they had 2 for my car a black one and a blue one? they were like 120$ and 105$ i was wondering which one my car has and if i buy it how hard is it to put in i took the 2 srews out and unpluged it but could not get it out should it just pull out or twist or is there a trick or any other bolts hold it in if anyone knows a trick to getting one out please elaberate it would be greatly appreciated any comments wecome thanks

 

come on dont tell me nobody has ever installed a fuel injector in a 92 se

 

I think that's your queue to do a search.