IAC valve

Ok, the fault makes it cold and hot every time I am going to turn it on, if I have noticed that it is consuming more fuel, I have not sent him to scan because I do not turn on the service light, normally I walk on the highway and it is fine, I have regularly changed some rear bulbs. thank you

Greetings Rojasevans, ok An other fuel consumption indicates some failure in a mechanical sensor or failure such as the fuel pressure regulator (this maintains x pressure in the injectors, when damage or falls the pressure or rises above the work value), also some injector may be dripping after turning off the engine, in any of the two cases it produces an excess of fuel. Gradually this causing unstable slowdown, from time to time peak when accelerating it, my recommendation is checking the fuel pressure and checks that it is in the range according to the manufacturer, perform a test to the balance and leakage injectors to verify that it is not dripping any, finally before lighting the vehicle checks the spark plugs to see if you find traces of fuel without burning. Tell us how it went.

Ok, thanks Wolfi77, after verifying all the step you tell me, I tell you. And thanks again for helping me ..