Jul 23/17 - New FAQ: What does ISO/SAE Reserved mean as a code description? Jul 14/17 - U010A, U010B, U010C, U010D, U010E, U010F Jul 12/17 - P2172, P2173, P2174, P2175, P2176 Jul 10/17 - P0586, P0587, P0588, P050A, P050B, P050C, P050D, P050E Jul 8/17...
P0402:The EGR Flow Excessive Detected code means there is too much recirculated exhaust gas flowing through the system. P0403:When you see this code, your vehicle has a short or open circuit in the vacuum control solenoid or wiring.
What Fuel Trim Values MeanPOSITIVE fuel trim values mean the engine computer is adding fuel (increasing the pulse width or on-time of the fuel injectors) to add more fuel to the engine. In other words, it is attempting to RICHEN the fuel mixture because it thinks the engine's air/fuel ...