P0721 Diagnostic Trouble Code Discussion for June 2005
Output Shaft Speed Sensor Circuit Malfunction
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| Help Request | Posted | |
| 2000 Ford Mustang GT 4.6L Surge, o/d light flashing VIN: 1FAFP42X5Y P0721: speed sensor. PO721 OUT PUT SPEED SENSOR. The speedometer will bounce between 30 and 50 and the trans will shift up and down. it might go 3 hours or so before it will act up. we replaced the sensor twice twice with ford parts. if i scope the sensor at the pcm it doesn't dro... |
June 24, 2005 |
