• Randy on P0174 – System too lean, bank 2: “Jose, Everything points to a lean engine. The most common is intake manifold leaks. With the engine running spray carb…Dec 10, 20:59
  • Randy on P0700 – Transmission control system -malfunction: “Samuel, This points to a bad alternator. It’s putting out too much A/C voltage. The rectifier bridge is faulty. Replace…Dec 10, 20:47
  • Randy on GM OBD/OBD2 Codes: “Gus, The best bet, locate an older Tech 1a, maybe a Tech 2. You can find Tech 1a on eBay.…Dec 10, 20:41
  • Randy on Chrysler 5.7L Hemi V8 Engine Sensor Locations: “Walt, The only sensors close to the water pump on this engine that could leak coolant would be the coolant…Dec 10, 20:37
  • Patrick Shea on Mitsubishi OBD / OBD2 Codes: “My 1997 Mitsubishi Pajero Evolution is throwing Code 24 which indicates Speed Sensor. My Odometer and Speedometer are intermittently working…Dec 10, 19:30
OBDII Code Definitions
[ P0000-0100 ] [ P0100-0200 ] [ P0200-0300 ] [ P0300-0400 ] [ P0400-0500 ] [ P0500-0600 ] [ P0600-0700 ] [ P0700-0800 ] [ P0800- ]

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Remember that most trouble codes refer to a specific circuit and replacing the sensor without confirming it is bad, may not solve the problem.

Warning: Please check for manufacturer specific codes with an appropriate manual