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2011 Chevrolet Silverado 1500 Questions & Answers
Have gone through a series of repairs on my truck and now have a P0308 code and a check engine light.
Welcome to the club .Obama motors .
I have read your post .The problem is realated directly to fuel deliverery.You had problems with the EVAP system .Misfire on #8 cylinder . The vehicle is olny 2011 but you have a lot of milage for 3 years . I would check the fuel filter first thing a lot of fuel has run through it .The fuel pump could also be an issue however they normaly last 10 years or so but depending on how much winter driveing you do the road salts they now use are much worse then they use to be as far corration check the connecters to the pump.
What I can say is most of these codes you are getting have nothing to do with the problems you are haveing there just side effects of how the VCM .controls information and the air horn had nothing to do with your problem nor did your dome light .The olny other thing could be a problem with the injuction system the regulator or an injector. Try the fuel filter first but it is in the fuel system
What is code 454
If this is the same as you are asking, P0454 is for the fuel tank pressure sensor.
Not really sure what this can be as can be corroded sensor, gas cap? There's also a vent sensor.
I have a 2011 silverado 1500. I left my house
You will have to have the ECM read for mileage to determine what is bad. The ECM also records the miles. If the ECM and cluster match, you would have had to put some really small tires on the truck. Different gear ratios could cause this, but should have pop a code. My guess would be the cluster isn't working right. Have it scanned...
How do I wire a relay to come on when the ignition switch is turned on?
Run a fused wire from a "switched" terminal in your power distribution box to the HOT side of your relay coil. Attach the other side of your coil to ground. On the "LOAD" side, which should be a set of Normally Open contacts, connect your live12 Volt on one contact and the other contact should be connected to your cigarette socket. Don't forget to ground your socket as well. Hope it helps you. Write me back if you want more details. Good luck!
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