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Hard to start Please Help!

664 Views 11 Replies 6 Participants Last post by  bbc
I have a 2013 Tahoe that is throwing codes of P0172, 175 and check engine light. It has been tuned up, new throttle body, canister replaced, Map sensor O2 sensor, module by the gas tank programmed and changed and over a thousand dollars later, still the same problem! I am begging for help! Thank you.
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If that does not fix the problem, and if this truck is not your daily driver, perhaps you might consider sending the injectors to to get them cleaned. They will do an as found flow test, clean them, and then retest. They do great work.
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