xiholdtruex

i have a 91 auto. i was wondering what you guys think it could be,i think my whole gauge system is screwy but thats me.my tack has never worked properly it says im idleing at like 5k and it sound like its idleing at about 800 to me and my speedo also does not work.i was thinking of changing my speed sensor as starters what do you guys think???


thanks

carlos