Chevrolet OBD1 Codes

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...

Truck Runs Fine Until It Gets Warm And Then Code 43 Comes Up And Truck Has No Power At All And Barely Wants To Stay Running. I've Had...

Just Put Brand New Gm 5.7 Long Block In Truck, New Distributor, Fuel Pump,water Pump And So On. I Have About 120 Miles On Motor Last 2 Trips...

I Was Checking For Codes On My Truck And Got Code 42, But Also Heard The Iac Valve Buzzing. My Truck Will Start Sometimes And Run And I'...

Have Code 34 And 42 . Runs Good With Esc Disconnected .high Idle.

Charging System Problem Voltage Fluctuation Over 17.0v At Times With Code 52 New Battery, Alternater And Alternater Connector At Alternater...

Going Down The Road Or Sitting In The Garage Holding The Throttle At About 1400 Rpm Or So,( Rpms Dont Mater) The Engine Cuts Out (skips) ...

Replaced Fuel Filter, Fuel Pump And Strainer And Rotor/dist It Throws A Ck Eng Light Code 51 When I Checked. Its Everytime I Try To Drive...

Computer Problem 1989 Chevy Cavalier 6 Cyl Front Wheel Drive Automatic 190k Miles 1989 Chev Cavalier Z24 2.8 Automatic Always Sets Code...

How Do I Find Out The Problem And How Do I Fix It?