U0803 Engine Fault Code

Check Solution For U0803 OBD Code :

U0803 engine code seems a kind of network problem, we try to show one by one the meaning and the solution.
Brief explanation of the U0803 code and definition of U0803 is the bottom side.

U0803 Meaning :

u Network Code
Problem is climate control system, lighting, airbags, etc.
0 SAE - Generic
8 Ignition System Or Misfire
0 IC Circuit High Voltage
3 Transmission Control Module Reprogrammable Memory

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 U0803 ?

Like the all engines, the car engine system employs specially developed hydraulic lifters (known as switching roller followers) for the U0803 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.

U0803 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 U0803 engine fault code on your engine code reader this description will help you.

U Codes List of all Network 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 U 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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