car running rough bucks around 40 MPH then stops

2000 MERCURY MARQUIS
116,000 MILES
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FORDMAN00101375
  • MEMBER
  • 3 POSTS
. digital temp went to max and back down and TRAC control light came on same time. Have had a SLIGHT misfire (only missing once or twice), but VERY occasional, over last few weeks. However today, on way home got much worse. Then the flashing to max temp thing happened, and the TRAC control light has also come on
Dec 30, 2011 at 7:19 PM
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RIVERMIKERAT
  • ✓Experienced Mechanic
  • 6,106 POSTS
Scan it for codes and let us know what comes up.
Dec 30, 2011 at 7:33 PM
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FORDMAN00101375
  • MEMBER
  • 3 POSTS
ran codes
U1009 - Invalid or missing data for engine torque. U1027 - Invalid or missing data for engine RPM ...

sorry it took so long to get back
Jan 5, 2012 at 5:34 PM
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FORDMAN00101375
  • MEMBER
  • 3 POSTS
U1009 - Invalid or missing data for engine torque.
U1027 - Invalid or missing data for engine RPM ...
Jan 5, 2012 at 5:39 PM
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RIVERMIKERAT
  • ✓Experienced Mechanic
  • 6,106 POSTS
According to our reference you need to use a scantool and perform a PCM self test.
Jan 5, 2012 at 7:08 PM
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