Oldsmobile Achieva P0743 Engine Error Code

When you check Oldsmobile Achieva car engine light came on code P0743 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Oldsmobile manufacturer may have a different definition for the P0743 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

To solve P0743 Oldsmobile Achieva problem, you'll have to remove the muffler, crankcase and other components blocking the valve chamber. Then, remove the cylinder head bolts (label for easy re-installation) Adjust the jaws of the valve spring compressor until they touch the top and bottom of the valve chamber Push the tool in to compress the spring and tighten the jaws Remove the retainers and lift out the valves , compressors and springs

Oldsmobile Achieva P0743 OBD-II Diagnostic Powertrain (P) Trouble Code Description Oldsmobile Achieva car P0743 OBD-II Trouble Code The Torque Converter Clutch (TCC) solenoid valve is activated, with the gear in D4, by the Transmission Control Module (TCM) in response to signals sent from the vehicle speed and the Engine Control M Reason For Oldsmobile Achieva P0743 Code The reason of Oldsmobile Achieva P0743 OBD-II Engine Error Code is P0743 Torque Converter Clutch Circuit Electrical.

If your vehicle failed a P0743 Oldsmobile Achieva test and the Check Engine Light is NOT on, chances are you have a problem with the OBDII system, a burned out MIL lamp, or a faulty catalytic converter. The converter is essentially an afterburner that cleans up the exhaust after it exits the engine. The OBDII system uses a ownstream oxygen sensor to monitor the efficiency of the converter, and it should detect a drop in converter efficiency if the converter has been contaminated or is failing (ignition misfiring, leaky exhaust valves, and oil burning can all damage the converter). What you want to look P0743 Oldsmobile Achieva: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression.

Oldsmobile Achieva P0743 Possible Solution :

Power Steering Pressure (PSP) Switch Signal Malfunction The PCM counts the number of times vehicle speed transitions from 0 to a calibratable speed. After a calibratable number of speed transitions the PCM expects that the PSP input should have changed. This DTC is set if the transition is not detected. Vehicle towed with engine running Power steering hydraulic concern was repaired but DTC was not erased PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged Check, if possible, if vehicle was towed or power steering service was performed. Observe PSP V PID while checking wires for intermittents.

What does fault code P0743 mean for Oldsmobile Achieva ? What does a diagnostic reading P0743 mean for Oldsmobile Achieva ? How to fix OBD2 Code P0743 for Oldsmobile Achieva ? What do we know about P0743 code for Oldsmobile Achieva ?