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Installed vortex 5 7 engine in 1999 Yukon GMC

(1999 GMC Yukon)
in Saint Louis, MO on January 05, 2011
installed vortex 5.7 engine ran good on highway for 15 minutes then it went dead I replaced the battery towed it home now it misfires trying to set the timing continues to misfire any suggestions
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Popular Answer
Check the basics, electrical connections vacuum hoses ect..... Your truck has On Board Diagnostics (OBD2).
Is the Check Engine /Service Engine Soon light on? If so there will be information stored in the computer of your car which will be key in diagnosing whats wrong. A professional grade scan tool allows key engine sensors to be analyzed without having to do intrusive testing at each sensor on the engine. Engine needs fuel, spark and mechanical integrity to run. Need to figure which one you are missing.
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