idle issues

[89 Coupe XE]

i have a 89' Coupe 240 XE. my car wont idle and ive replaced the maf, injectors, and checked the IACV valve. nothing is helping please help. and my HUD works for about 10 seconds when i first start my car then slowly fades away.

[WWJD]

dounds like it might be you CAS. it's in your Dizzy. try using a know worken' one first then go from there. hows your timing? check that as well

[89 Coupe XE]

CAS? and timing is fine

[design240sx]

get a timing gun. did mines and ran good.