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P0642 Engine Trouble Code

P0642 Engine

When you check engine light came on code P0642 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 P0642 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

When your car's 'P0642 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.

P0642 Code Meaning :

P 0 6 4 2
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low O2 Sensor Heater Circuit Malfunction Engine Shutoff Solenoid Malfunction Crankshaft Position Sensor A Circuit Low Input

The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will not throw a code. Again, the ELD code likely represents a separate wiring issue.

P0642 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P0642 engine trouble code is about Crankshaft Position Sensor A Circuit Low Input.

Reason For P0642 Code

The reason of P0642 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.

P0642 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.