P0789 Engine Trouble Code
When you check engine light came on code P0789 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However your vehicle's manufacturer may have a different definition for the P0789 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
P0789 code can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,000. Taking your car into a shop will cost you around $200 depending on the car. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. If you know where the sensor is, you only have to unclip the old sensor and replace it with a new one. Regardless of how you approach it, you should get this fixed right away.
P0789 Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Intake Valve Control Solenoid Circuit Low||Throttle/Pedal Position Sensor/Switch A Circuit Intermittent||Cylinder 1 Injector Circuit Low||Ignition Coil A Primary/Secondary Circuit Malfunction|
Regarding the P0789 code, it would probably be worthwhile to carefully inspect the wire harness near the intake manifold bracket. This is done most easily from below the car in the area near the oil filter.
P0789 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP0789 engine trouble code is about Ignition Coil A Primary/Secondary Circuit Malfunction.
Reason For P0789 CodeThe reason of P0789 OBD-II Engine Trouble Code is Throttle/Pedal Position Sensor/Switch A Circuit Intermittent.
P0789 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.