Question about 1998 GMC Jimmy
I am a GM factory trained techincian, there is no set number of miles to clear the drive cycle not ready code, if u follow the instructions below exactly it may only take 10-20 miles, the computer (known as the PCM) must test everything in the emisssion system and the engine control system, this takes time and varied driving, stop, go, idle, low speed and freeway driving, here is the GM drive cycle test you must perform to clear the "not ready" code.
General Motors Driving Cycle A complete driving cycle should perform diagnostics on all systems. A complete driving cycle can be done in under fifteen minutes.
To perform an OBDII Driving cycle do the following:
Posted on Jun 01, 2010
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Posted on Jan 02, 2017
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