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I am considering the purchase of my first DMAX. It is a 2003 2wd with 189K highway miles. It is in good shape and I am getting a good deal I think ($8500). The injectors have never been touched and it runs GREAT!! The maitenance has been done pretty well! What would injectors cost me if I did the job myself? Should I change them out before they fail to protect the engine? SHOULD I PASS ON THIS TRUCK?????? I can't afford $15000 for a lower mileage truck. Any help appreciated!!!! Ryan
 

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Welcome to the site. The 2003s are covered by a 7yr/200,000 mile warranty for the injectors only for high return rates and fuel in oil. Injectors will cost about $350-400 a piece and a whole lot of your time. (you have to pull the valve covers) I believe if the dealer does it and has to change them you are looking at $4-5000. I would have the dealership check the balance rates on the injectors and give you a print-out. In park they should be +/- 3 and in drive they should be +/- 6. (from 0) It does sound like a good deal, but I would be leary of this one unless it has full documentation of all maintenance.
 

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Welcome to the site.i'm with what ob_jr1 said..
 

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dealer sold me new injectors for 250 each and charged me 8.5 hours labor to replace my injectors all done at 157k miles
 

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dealer sold me new injectors for 250 each and charged me 8.5 hours labor to replace my injectors all done at 157k miles
I would have called GM customer support...there have been people with 04 getting them covered under the special policy for the 01-03s.
 
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