Rick's Free Auto Repair Advice

Posts Tagged: OBDII trouble codes

Which scan tool to buy

Which scan tool to buy You can diagnose and fix your own car, but only if you have the right tools. Don’t know which scan tool to buy? I’ll help you figure it out so you can stop relying on the auto parts store to scan your vehicle. Auto parts stores use basic code readers and the clerks will tell you to replace whatever part is listed in the trouble code. You need real diagnostic data to find out if the sensor is really bad or actually telling the truth, … Read More

OBDII trouble Codes

OBDII trouble Codes I can’t tell you how many times forum members write in and say, “The computer said to replace the oxygen sensor. I replaced it and now it says to replace it again.” Let’s get one thing straight…..the computer NEVER says to replace a part. It only tell you what condition the OBDII trouble Codes. Here’s a typical example: P0137 – Oxygen Sensor Circuit Low Voltage (Bank 1 Sensor 2) Now most of you would say the computer has determined that the oxygen sensor is bad. That’s NOT … Read More


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