Troubleshooting the P0030 Code Your Ultimate Guide to Success

The best thing to do would probably be to try replacing the O2 sensor and see if that eliminates the check engine light. Re: P0030 code ... Inspect the connector and the harness at/near the sensor and if all looks good I would replace the sensor. P0030 is a heater circuit code. The first thing to check is that the harness from the sensor connection back to the ECU is sound with no damage. The P0300 & P0304 could be a vacuum leak, too, instead of a coilpack issue. Can you see measuring block 032 with your vag-com? Your fuel trim ... Claim your FREE engine code eraser https://free.nonda.co ============================= nonda Auto DIY Center is the biggest Auto DIY ... Could be a faulty brand new sensor. I would swap sensors and see if the code changes. Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase ... The P0030 is triggered when a continuity or short circuit fault is detected in the heater control circuit, that includes both the heater in the sensor and the ... Hi, my new Ryker Rally with about 50miles has a CEL P0030 HO2S Heater Ctrl Circ ... Rule of Thumb - The way to clear a code is to correct the ... Let's start with the P0030. Most likely a bad O2 or the heater control circuit. This is of course the 1/1 position so most likely the P0171 is setting as a ...