2003 Cadillac Escalade Ext 6 0 Engine Runs Fine Soon You Drive Between 1 7 8 0

2003 CADILLAC ESCALADE EXT
200,000 MILES
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6.0 engine it runs fine as soon as you drive between 1.7 to 8.0 miles varies the reduced engine power then the traction control light comes on. The service stability light is on can this cause the engine to go into reduced engine power? as soon as you clear it with a scan tool. it takes off for a while then comes back on. have replaced throttle body. checked all the grounds tac. power supply. The only dtc p1516 nothing else for the engine and transmission codes. can the pcm possible be bad? all the systems communicate can see live data on all the modules.
Jan 6, 2013 at 11:51 PM
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ASEMASTER6371
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pedal sensor contains module. have it checked for faults on a scan tool.

Roy
Jan 6, 2013 at 11:54 PM
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