CHEVROLET TAHOE ENGINE PROBLEM
2007 Chevrolet Tahoe • 65,263 miles
MIL engine icon showed up after i changed an oil change. I filled the gas tank and tightened the gas cap and engine light still showed. I ran a diagnostic test and got the codes p0449/p0455 shows up as EVAP issues. 1 for circuit intermittent and the other for (gorss leak/no flow). My question is what exactly is wrong i want to see if there are any leaks in the wirings and solenoids/purge valves without having to change those good parts. I did some research found out I needed a smoke check-called local dealers which told me it'll run about $120.00-$200.00 is there anything else that you think might be an issue besides tightening and buying.
December 4, 2012.
December 4, 2012.
5.3L Check engine light on, code P0449 vent sol. circuit.
Found vent solenoid rotten, it sits kinda on top of spare towards front of truck, you can see a small amount of rust coming through the body of the actual solenoid on the vent.
Wish i had one of dem dars picture cameras to show you.
Have replaced quite a few of these on these trucks
Your not changing anything yet your inspecting the vent solenoid like the tip says.Iam far away and cant see or test anything so thats your job let me know what you find.
Thanks brother it was the vent solenoid..pretty rusty since its left out in the open at the bottom of the base by the spare tire... Found an online forum and it seems to be an issue with these models from chevvy-I wonder why? But thanks for all your help. I'll be posting more questions in the future.
Your welcome thats what were here for glad to hear you found the problem.They need to out it out of snow and salt reach so that doesnt happen.
I know right. Okay so what about the code p0455?? How do I fix that...unless if i fix code p0449 than it'll fix that too as well??
If the vent solenoid doesn't work properly it can set a P0455 thats what closes off the system so it can test for leaks.So lets fix the P0449 clear the codes and see what happens.Let me know what happens.
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