Revolutionize Your Vehicle's Health The P0030 Masterclass

it's the blue loomed wire plugged in near your passenger side strut tower, you can see it go down to the header along the passenger side head ... What causes the P0030 code? Generally, if the code is cleared and reset, and the engine warning light comes back on along with the OBD-II code, this means that ... The check engine light came on the other day and I'm throwing a code of P0030 which is Bank 1 Sensor 1 (driver's side upstream pre-cat) O2 ... This should be a pretty simple and straight forward problem. Either the replacement O2 sensor has an open heater circuit it in, this should be ... The code says circuit not sensor is failing a test. Check the wiring and/or connectors. Don't mess with Binky Bear! It can be a dead sensor, an open inside, but it can also be a fuse or wire or connector that is causing the DME to see an opebn. Problems/Service/Repairs - Codes p0030, p0033, and p0135 - I have a 2006 HHR w/2.4 engine. I'm getting check engine light w/codes p0030, ... may have been damaged when the DP was changed? make sure they plugged it back in ok. check your DP bolts are tight and sensor has not come loose ... The code is telling you that the heating element in the lambda is open circuit. Probably the sensor itself but worth looking at the wiring first. In both code cases the left and the right front O2 sensors are not warming up in the time expected. The heater circuit only helps to get the ...