1990 Chevy Corvette code 44 lean, intermittent

Tiny
LTYREE007
  • MEMBER
  • 1990 CHEVROLET CORVETTE
  • V8
  • 2WD
  • AUTOMATIC
  • 80,000 MILES
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.
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Tuesday, February 24th, 2009 AT 7:21 PM

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Tiny
RASMATAZ
  • MEMBER
You sure the brake booster is not leaking and dirty injector, idle air control valve and throttle position sensor
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Tuesday, February 24th, 2009 AT 7:33 PM

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