With the engine idling, locate the EGR valve. Gently push the diaphragm up with your finger (or use a vacuum pump). If you push it and the engine stumbles or stalls, the valve is mechanically opening. If nothing happens, the valve or the passages are blocked.
Unplug the electrical connector on the EGR valve. Use a multimeter to measure resistance across the two terminals. A healthy coil should read between 20 to 30 ohms . Infinite resistance (OL) means a broken internal coil – replace the valve. 71 code perodua viva
In the context of a Perodua Viva, a diagnostic trouble code that typically points to a fault with the Idle Speed Control (ISC) With the engine idling, locate the EGR valve
Before replacing expensive sensors, try using your . If the car starts, the transponder in your main key is likely damaged. Also, ensure your car battery is healthy; low voltage can cause the immobilizer to glitch. Step 2: Inspect the Crankshaft Sensor Locate the sensor near the crankshaft pulley. Look for: Oil leaks soaking the connector. Loose mounting bolts. Cracked wire insulation. Step 3: Reset the ECU If nothing happens, the valve or the passages are blocked
If you pay a mechanic, here is what you can expect to pay for a 71 code resolution: