Mastering P0030 The Essential Guide

Rule of Thumb - The way to clear a code is to correct the problem that caused the code. The HO2S is your Heated O2 Sensor. The code shows a ... Re: P0030 and P0135 Codes ... Check the connector on the oxygen sensor between the cat and the cylinder head. Try disconnecting it and then ... It sounds to me that you have an electric problem. Perhaps the cable is old or the connector pins were bent resulting in a short circuit... Personally I would check the O2 sensor first, if that checks ok then do the longer job of checking the wiring. disconnect the sensor and check resistance. 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 ... Double check connections, clear the code, unhook the battery for a while, reconnect the bat and drive it. If it doesn't go away after 10-20 min of driving then ... The code means that there is a problem with the heater element circuit of the heated oxygen sensor. Water getting inside the heated oxygen ... Code P0030 means there's a problem with the heater element circuit in Bank 1 Sensor 1. Our expert mechanics can help resolve this issue. TC 47.5*70.65*9 NK701B/C/C/// 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 ...