P1820 Engine Fault Code

Check Solution For P1820 OBD Code :

P1820 engine code seems a kind of powertrain problem, we try to show one by one the meaning and the solution.
Brief explanation of the P1820 code and definition of P1820 is the bottom side.

P1820 Meaning :

p Powertrain Code
Problem is related engine, transmission and emissions systems.
1 MFG - Manufacturer Specific
8 Ignition System Or Misfire
2 Air Conditioning (A/C) Clutch Feedback Circuit High Voltage
0 Transmission Engaged At High Throttle Angle

MFG - Manufacturer Specific codes, which have a '1' as their second digit to indicate they are unique to a particular vehicle make or model. These special codes were deemed necessary by the vehicle manufacturers so they could provide additional diagnostic information beyond the basic list of generic OBD II codes for all kinds of faults, not just emissions-related faults.

How To Fix P1820 ?

Like the all engines, the car engine system employs specially developed hydraulic lifters (known as switching roller followers) for the P1820 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.

P1820 Code Description:

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. When you see P1820 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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