Mile counter clearing itself?

MERROW

MEMBER
2000 SATURN SC2
4 CYL
FWD
AUTOMATIC
102,623 MILES

I took my car for an oil change about a month ago and then went to get an inspection sticker. The car did not pass because the computer was somehow cleared. They told me to drive it for a week and return it should be ready. I have been going back weekly for the kast 4 weeks and it is still not ready. Also somethings that had been ready the week before were not ready the following week. No one has touched my car but me. The only thing I have done is when I put gas in I zero out the mile counter to keep track of my mileage. Does this have anything to do with it? I would appriciate any help! Thanks!

Thursday, October 9th, 2008 AT 12:06 PM

2 Replies

KHLOW2008

MECHANIC
41,814 POSTS

Hi merrow,

Thank you for the donation.

Check and see if the attached procedures helps.

Vehicle Driveability Computer Relearn Procedure

1. If vehicle battery was disconnected or Powertrain Control Module (PCM) was replaced, driving the vehicle will enable the PCM to perform a computer relearn procedure for obtaining proper driveability and engine idle. Until PCM has completed computer relearn procedure, driveability or idle may differ from standard vehicle operation. On A/T models, transaxle shift qualities must be relearned.

2. On all models, start engine and warm engine to normal operating temperature. Perform 10 sets of upshifts (1-2, 2-3 and 3-4) at about 30 percent throttle.

3. On DOHC engine, while coasting at 35 MPH, slowly accelerate to 1/2 throttle to achieve a 4-3 downshift. Place gearshift in "D3" while coasting at 20 MPH, slowly accelerate at 3/4 throttle to achieve a 3-2 downshift.

4. Repeat step 3) 5 times. Vehicle driveability computer relearn procedure is now complete.

5. On SOHC engine, while coasting at 40 MPH, slowly accelerate to 1/2 throttle to achieve a 4-3 downshift. Place gearshift in "D3" while coasting at 30 MPH, slowly accelerate at 1/2 throttle to achieve a 3-2 downshift.

6. Repeat step 5) 5 times. Vehicle driveability computer relearn procedure is now complete.

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Thursday, October 9th, 2008 AT 2:08 PM