P0997 Engine Fault Code

Check Solution For P0997 OBD Code :

P0997 engine code seems a kind of powertrain problem, we try to show one by one the meaning and the solution.
Brief explanation of the P0997 code and definition of P0997 is the bottom side.

P0997 Meaning :

p Powertrain Code
Problem is related engine, transmission and emissions systems.
0 SAE - Generic
9 Fuel And Air Metering (Injector Circuit Malfunctions Only)
9 Crankshaft Position Sensor Circuit Performance
7 Cruise Inhibit Control Circuit

SAE - Generic codes, which have a '0' as their second digit to indicate they are common to all makes and models of vehicles. These are the codes that are required for basic emissions fault diagnosis.

How To Fix P0997 ?

Like the all engines, the car engine system employs specially developed hydraulic lifters (known as switching roller followers) for the P0997 code intake and exhaust valves. The lifters can be collapsed by disengaging an internal locking pin. The locking pin is disengaged using solenoids to alter oil pressure fed into the lifter.

P0997 Code Description:

The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate. When you see P0997 engine fault code on your engine code reader this description will help you.

P Codes List of all Powertrain codes.

Final Step: In the definitions listed below, there is a test drive recommended after you've completed any repairs to see if the condition is fixed. Before you take a test drive after a repair, always erase the P Code(s) first. This will turn the check engine light off and then you will know if the check engine light returns, you've got further diagnostics to complete.

BE CAREFUL !
This engine code information is presented for information purposes only. This is not intended as repair advice and we are not responsible for any actions you take on any vehicle.

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