1991 honda accord ex

1991 HONDA ACCORD
200,000 MILES • 4 CYL • FWD • AUTOMATIC
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GUYTARR56
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  • 1 POST
1991 Honda Accord EX when in drive the car will sometimes shift to a lower gear and then back again, again and again. Sometimes the car will shift fine.
Dec 30, 2010 at 10:42 AM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
If the D4 ( or S mode if equipped) light is blinking, an error has been detected and stored in the transmision control unit and retrieving the trouble code would help to diagnose this problem.

If no codes are found, have the throttle position sensor tested.
Jan 2, 2011 at 5:13 AM
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