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Code P1000 is nothing , just the codes were cleared or battery was disconnected ,that's all that means . Does the O/D light flash ? P1000 - OBD (On Board Diagnostic) System Readiness Test Not Complete
The OBD monitors are performed during the OBD Drive Cycle. The P1000 will be stored in continuous memory if any of the OBD monitors do not complete their full diagnostic check.
Vehicle is new from the factory
Battery or PCM had recently been disconnected
An OBD monitor failure had occurred before completion of an OBD drive cycle
PCM DTCs have recently been cleared with a scan tool
PTO circuit is shorted to VPWR or B+ or PTO is on during testing
The Ford P1000, inspection/maintenance (I/M) readiness function is part of the PCM strategy. A battery disconnection or clearing codes using a scan tool results in the various I/M readiness bits being set to a "not-ready" condition. As each non-continuous OBD monitor completes a full diagnostic check, the I/M readiness bit associated with that monitor is set to a "ready" condition. This may take 1 or 2 drive cycles based on whether malfunctions are detected or not. The readiness bits for comprehensive component monitoring, misfire and fuel system monitoring are considered complete once all the non-continuous monitors have been evaluated. Because the EVAP system monitor requires certain ambient conditions to run, special logic can "bypass" the monitor for purpose of clearing the EVAP system I/M readiness bit due to continued presence of these extreme conditions. Note: The P1000 does not need to be cleared from the PCM except to pass an I/M test.
For OBD 2 there are thing's the cars computer check's for emissions , there called monitors . When these monitors run an set the vehicle will be ready to pass an emission test . OBD Readiness Monitors Explained OBD Auto Doctor Scantool Garage Read this if you would like to know more . Normal driving will set the monitors in time or you could try an speed up the process with a drive cycle
Alan, I f you have had battery disconnected or had some one erase codes recently, the computer has to go through what is known as a drive cycle to complete all monitors cycling, some vehicles complete cycle in 10 miles, where as some could take 100 miles or more. My Toyota EVAP readiness state will not cycle in cold weather and takes thousands of miles before it gets to readiness state. I think some shops can force systems to run if they have a good scan tool.
that usually means that someone either disconnected the battery or the computer was reset. You need to drive the vehicle for about at least 20 minutes at road speed so the computer can scan all modules.
the computer meters fuel based on a signal from the coolant temperature sensor. The check engine light sometimes does not come on when the sensor fails.If the sensor is causing your problem you will have a strong odor of gasoline when the car starts,It will be slow to start the first time, turn it off and it will start right up. lol
alot of driving. you need to drive the vehicle until all the computers turn to the ready state. if there is a problem the check engine light will come on and the monitors will not be set.
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