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Car running rough bucks around 40 MPH then stops

Tiny
FORDMAN00101375
  • MEMBER
  • 2000 MERCURY MARQUIS
  • 116,000 MILES
. 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
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Saturday, December 31st, 2011 AT 3:19 AM

4 Replies

Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Scan it for codes and let us know what comes up.
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Saturday, December 31st, 2011 AT 3:33 AM
Tiny
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
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Friday, January 6th, 2012 AT 1:34 AM
Tiny
FORDMAN00101375
  • MEMBER
  • 3 POSTS
U1009 - Invalid or missing data for engine torque.
U1027 - Invalid or missing data for engine RPM.
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+1
Friday, January 6th, 2012 AT 1:39 AM
Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
According to our reference you need to use a scantool and perform a PCM self test.
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Friday, January 6th, 2012 AT 3:08 AM

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