U3978 DTC For Renault 8
Renault 8 Engine Specifications:
| Engine Type : | Single Cylinder Engine |
| Cylinder Type : | V-Type Engine |
| Engine Air Intake Process : | Supercharged Engine |
Your Renault 8 engine control system detects a problem, the computer stores the diagnostic trouble
code U3978 in its memory.
To figure out what is wrong with your vehicle you must first extract the U3978 DTC For Renault 8.
To solve U3978 Renault 8 problem, you'll have to remove the muffler, crankcase and other components blocking the valve chamber. Then, remove the cylinder head bolts (label for easy re-installation) Adjust the jaws of the valve spring compressor until they touch the top and bottom of the valve chamber Push the tool in to compress the spring and tighten the jaws Remove the retainers and lift out the valves , compressors and springs
U3978 Renault 8 DTC Meaning
| U |
Network Code - Problem is climate control system, lighting, airbags, etc. |
| 3 |
SAE - Generic |
| 9 |
Transmission |
| 7 |
Exhaust Gas Recirculation System Valve 1 |
| 8 |
Park/Neutral Postion (PNP) Switch Circuit Engine Torque Signal Circuit |
The rule of U3978 Renault 8 code when it comes to emissions-related vehicle repair is that any modification that changes the vehicle from a certified configuration to a non-certified configuration is considered tampering: this applies to both vehicle owners and repair facilities and is, therefore, a Federal offense. Replacing a catalyst with a straight pipe is one traditional example of U3978. Likewise, overriding the OBD U3978 DTC For Renault 8 system through the use of high-tech defeat devices or non-certified computer chips, for example, would also be considered tampering. The OBD system may, however, be repaired back to its original certified configuration with certified performance chips or appropriate aftermarket parts.
You can also check other Renault car models :
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The listed Renault models will give information about U3978 DTC.
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