Question about Cars & Trucks
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Posted on Jan 02, 2017
SOURCE: Error Codes
These may have been set by the battery change and are what GM calls phamtom codes, clear the codes with the following.
Try this and see if the codes go away.
1. Re-enter diagnostics via the climate control panel and after all the codes appear you will see .7.0
2. Simultaneously push and hold the OFF and HI (^) buttons on the climate control panel until you see E.0.0 and release both buttons.
3. Turn ignition key OFF, Wait 15 seconds and re-enter diagnostics and see if the codes reappear. If they do NOT reappear, You are good to go.
After you have done this try starting the engine and see what codes re-appear, also run and OBD 2 test of the system at the diagnostic connector, this will give P codes that we are better able to find definitions for, the E codes are unique to just a few GM cars.
Posted on Oct 13, 2008
ECM Output Cycling
This mode can be initiated after "E.9.5" is displayed on the "Fuel Data Center". The display of the "E.9.5" can be reached by depressing the Hi button while Code ".7.0" is displayed. The ECM output cycling mode, Code "E.9.6." turns the ECM's outputs on and off. To enter the output cycling mode, proceed as follows;
The engine must be running.
Turn the cruise instrument panel switch to the on position so that the cruise control outputs will cycle.
Turn the engine off and within two seconds, turn the ignition on.
Enter the diagnostics and display Code "E.9.5".
Depress the accelerator pedal (throttle switch open) and release it (throttle switch closed). The ECM output cycling mode begins as the display switches from Code "E.9.5" to Code "E.9.6."
It is possible to leave the ECM output cycling mode at any time and return to ".7.0" by clearing the ECM and BCM codes. If the display does not advance to Code "E.9.6", refer to Code "E.7.2" of the switch test.
The output cycling mode will end automatically after two minutes of cycling and the display will switch from Code "E.9.6" to Code "E.9.5".
The outputs will cycle on and off every three seconds until the two minute automatic shut off occurs. The only exception to this three second cycle is the cruise control power valve which cycles continuously. If additional output cycling is desired, recycle the throttle switch.
Posted on Oct 13, 2008
hello. it should be located under your car on a line that's coming off your fuel tank and yes you can do this your self very easy to do ,you'll need a few box/open ended wrenches that's it you'll need to check the fitting or the nut on each side of the filter to see what the sizes are,befor removing the filter you'll want to take off your gas cap and remove your neg battery cable ,not when you find the filter it'll have nut on each side all you have to do it loosen them but make sure that you don't break the fuel line or kink it and after you have both sides loose then just finish turning them off and there you go the filter is off, nope no removing the gas tank some newer models you do and the filter is attached to your fuel pump and don't need replaced but for your car and year you wont need to remove the tank. good luck
Posted on Mar 25, 2009
E13-Oxygen sensor voltage stays between 0.307 and 0.609 volts for 64 seconds. Engine was at normal operating temperature at a speed over 800 RPM.
E44-Right oxygen sensor was lean for more than 50 seconds when engine was warm and at 800 RPM or greater.
E52-PCM has lost primary battery power.
E58-Pass Key fuel enable was not correct.
F47-PCM has received bad data from IPC for 3 seconds while engine speed was 500 RPM or more for 3 seconds.
F48-EGR open command was given during off idle operation. EGR opening should cause the mixture to be slightly richer because of the low oxygen content of exhaust gas. Vehicle speed was over 35 MPH and engine was warm.
Good luck and hope this helps, keep me posted be glad to answer any questions you may have.
Posted on Jul 05, 2009
P0440 - Evaporative Emission (EVAP) System leak, poss gas cap not tight or left off
Posted on Mar 26, 2010
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