everyday i wake up, i start my car and let it warm up, then everytime i drive it the rpm needle doesnt move. like it stays at 1000 rpms. then when im drivng and givin it gas, the needle seems to lagg, its basiclly inaccurate. i can rev it really high and it wont go anywhere. but then once i drive for about 25 mins street/highway it goes back to normal and the needle works normal again.
all the other stock guages work. gas,mpg,water guauges all work, just not the rpm tach. could there be a wire malfunction or sumtin.

thanks to all that help.

 

ttt

 

Same thing happened to my dad's car! =O
Except his car is a 95 Maxima...=\

 

bump for help

 

well the RPM reading is pulled off the dissy speed, im not sure where but all cars are setup this way im thinking after is gets a good warming up metal expands and it completing the circuit. just check out ur wiring