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Engine started "surging" then the service engine soon light came on.

(2001 GMC Sierra 1500)
in Cedar Park, TX on February 14, 2012
Lost speed, when accelerating the light started blinking,changed spark plug,fuel filter,and air filter. Problem did not go away.
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Popular Answer
The computer in your car is going to have relevant information stored in its memory which will help figure out what is going on. A scan tool is needed to retrieve this information. A professional grade scan tool allows key engine sensor data to be analyzed right off the scan tool without having to do intrusive testing at each sensor.There is a company that independent auto repair shops get their information from, this same information is available inexpensively for people that work on their own cars.. The information is year make and model specific, covering repair procedures, torque specifications, fluid capacities and specifications, service bulletins, component locations, wiring diagrams ect.... Alldata is very easy to navigate http://bit.ly/AllData_Repair_Manuals_Online
on February 15, 2012
I have located a friend that has a scan tool. That is my next step
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