Posted by Jim on April 16, 03 at 16:01:47:
91 350-Suburban, 1500, 4x4, 700R4, 186K. TPS, FF,O2 all < 18 months/20K old. So it had an intermittent SES light and a tendency to 'hunt' RPM when idling and finally caught the code - 22 (TPS). Replaced TPS. Now idle seems high (but not hunting), and SES light more aggressive in it's appearance.
Before I ruin my eyes tryin to read the drivability service manual, anyone else have this (or similar?) condition on a 91?
I'm thinking IAC &/or MAP (haven't done them yet).
TIA!