Check engine light!

shueher

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Hey guys, I just went to autozone to get an engine light check up and I got these 4 codes.
-P0705, Short in transmission range switch circuit
-P0706, open in transmission range switch circuit
-P1457, EVAP emission control system leak
-P1491, Egr valve insuffcient detected
Wanting to do a DIY job on it, but what should I fix first and where can I locate the problem cause?
The Egr valve is easy to fix. But dunno where to find the other.
 

RedRyder

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EGR – sounds like you know what to do. There are DIY’s for cleaning the valve and port.
Fuel evap leak – could be fuel vapor canister, or a couple other parts. Search and you shall find.
Range switch – not sure, range switch could need replaced. Try Googling it, and maybe someone else will chime in on those two codes.
 
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