P CODES (POWERTRAIN) P0100 - P0199

Bad O2 Sensor. Sensor 1, Bank 1. Heater Circuit Malfunction. Where Is This Sensor Located And How Would I Locate It? I Assume From Under...

2004 Bmw 325 6 Cyl Automatic 80,000 Miles Have Received These Codes For Exhaust System, As System Says It Is Running Lean So Cleaned...

I Have A 1998 Toyota Tacoma, 2wd Manual Transmission, 2.4l. The Check Engine Light Has Been On A While Now, And I Have Been Trying Many...

One Day I Was Driving And Then The Check Engine Light Came On I Called On-star And They Said It Was Code Po171? Edit So Then After Getting...

2001 Bmw 330ci 148k.2 Check Engine Codes P0741-torque Convertor Ckt Performance Or Stuck Off. 2nd P0128 Coolant Temp Below Regulating...

The Temperature Is On C And Didnt Move Even After A While And The Ac Didnt Work And The Fans Of Radiator Works Since The Cat On Without...

Po103 Comes Up Upon Initial Start Up. Code Cleared Thru Scanner Then Reappears After Restart.

Hi, I Have A Re-occurring Code That Keeps Coming Up When My Mechanic Scans The Car (po136)- Any Idea What This Could Be? Both O@ Sensors...

Replaced O2 Sensor Bank 1, #2. Reset. After 100 Mile Drive And 2-3 On Cycles Problem Came Back. Reset Again And Problem Comes Back. Checked...

My Scanner Says That The Bank 2 Sensor 1 Is Malfunctioning. My Question Is Which Is Bank 1 Or 2 And Is It The Upstream (before Cat) Or Down...