Search engine trouble codes.
Example: P0120
U3988 Smart Fortwo Iii engine code seems a kind of network problem, we try to show one by one the meaning and the solution.
Brief explanation of the U3988 Smart Fortwo Iii code and definition of U3988 Smart Fortwo Iii is the bottom side.
| u |
Network Code Problem is climate control system, lighting, airbags, etc. |
| 3 | SAE - Generic |
| 9 | Fuel And Air Metering (Injector Circuit Malfunctions Only) |
| 8 | Exhaust Gas Recirculation System Valve 1 |
| 8 | PCM Stack Overrun |
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.
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How To Fix U3988 Smart Fortwo Iii ?
The oxygen (02) sensors on your car measure the oxygen in the exhaust to determine how rich or lean the ratio of fuel and air are in the cylinders. Optimizing this mixture means better fuel economy and fewer exhaust emissions. |
The engine system, in conjuction with the engine control module (ECM)/powertrain control module (PCM), activates the U3988 code solenoid valve to control oil pressure to the engine mechanism that is installed in the valve system to switch valve timing between Low and High.If the engine solenoid valve has an open or short circuit, a DTC is stored. When you see U3988 Smart Fortwo Iii 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.
