Yea , what's your question ? Doesn't start an run , only when you spray starting fluid into the engine ? You do or don't know what lean codes are ? Did you check the electrical circuit for fuel pump . Amperage draw test etc.... Check fuel pump relay ! Videos on youtube testing fuel pump electrical circuit . Did you change fuel filter ?
P0171 and P0174 OBD II Trouble Codes
SOURCE: 2003 Hyundai elantra
Hi there they are known to have dramas with the pick up for the immobilizer i would be getting that checked first before spending money on something .else
SOURCE: i'm having trouble starting my
i dont want u to be a partz replacer like those dealership boyz-it could be that the fuel pressure regulator is bad-thats why repair manuals r so good-see u r gettin spark but the petrol not there-hopefully the pump was installed rite-now the regulator is in engine area n thats where to concentrate
SOURCE: PDF 2001 Hyundai Sonata spark plug change instructions
I posted this solution for this same engine on the 2001 Kia Optima. It is Exactly the same 2.5 V6, and the instructions are exactly the same. I recommend replacing the plug wires. Please see 2001 kia Optima for the rest. Good luck, it's fairly easy.
SOURCE: Hyundai Sonata 2006 - Check Engine light came on.
"Fuel system too lean at idle". It's an air/fuel ratio that is not correct, possibly a vacuum leak somewhere. Or a leaky exhaust pipe. Could be related to intake manifold gasket. Somewhere, air is getting into the engine.
I suggest taking it back to the dealer under warranty. I think Hyundai is 10yr./100k for the original owner. 5yr./50k if not. Ask first if covered, and ask why not id not covered.
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has it got a fuel filter ? maybe there is a blockage in the filter
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