ck'd & replaced fuel pump,o2 sensor,map sensor,oil level good,repl pickup & module,wires & plugs,fuel filter,fuel pr 40 at idle when veh acting up,will idle(rough) when you give gas it falls on it's face,vacuum low,timing ok,loosened exhaust at manifold to see if cats clogged,no improvement,egr does not appear cracked open(idle changes when opened manually),one time veh was bogging while power braking,had associate spray carb cleaner into t/body a veh responded positively,I am ase master 20 yrs.,have gotten spoiled on newer cars,been awhile since worked on 90 model TPI system,have ordered reman pcm,will be in in am,2/25/09,hope it's it,any help would keep my hair somewhat attached to my scalp,thanks lee,phone#205-304-0277,wk205-221-5006,8-6 cst.
Feb 24, 2009 at 7:21 PM