Trouble code P0230 means:Fuel pump primary circuit malfunction
Engine coolant Sensor is bad. I have the same error on my 2005.
Code B0265
Reduced engine power may be many things but the reduced engine power will also throw a trouble code. Get that information to diagnose your problem. If the check engine light is on steady it is usually OK to drive however if it is flashing you must shut the engine off. A rich running condition will cause your catalytic converter to overheat and melt. www.trailvoy.com All the answers for your Envoy and more!
You have a problem with an emissions related component. Have the ECU scanned with an OBD2 scan tool to retrieve the code that has been set. A professional can use this code to diagnose the problem.
Trouble code P0440 means:Evaporative emission control system malfunction
Trouble code P0506 means:Idle control system RPM lower than expected
The truck has had a serious engine code sent to the computer. You can shut it down and try to restart and see if the problem goes away however you must get the code read and find out the cause. It can be many things. www.trailvoy.com Trailblazer/Envoy enthusiasts forum
the 1028 is trouble code for thermostat low temp check temp gauge for low temp replace thermostat
My engine light came on the error code is P2179 what does this mean
engine fault code p1607
What numbers are you talking about? It will tell you the displacement and a engine code. The engine code is used at dealers and garages.
code e38