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PCM replacement?

Tiny
NBHOWARD86
  • MEMBER
  • 1998 LINCOLN CONTINENTAL
  • 4.6L
  • V8
  • FWD
  • AUTOMATIC
  • 130,000 MILES
I need to know if I should replace the PCM in my 98 Lincoln Continental. It will drive for about 30 to 45 minutes and then the check transmission light will come on, once I turn the car off and turn it back on it goes away and I can drive for another 30 minutes or so. It recently just started randomly stalling out at stoplights and the RPMs were dropped really low. I was thinking it may be the idle sensor, but the other problems obviously point to something bigger. Please help if you can!
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Friday, April 8th, 2016 AT 5:23 PM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Scan for codes and check fuel pressure with a gauge auto parts rent it.
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Saturday, April 9th, 2016 AT 6:43 AM
Tiny
NBHOWARD86
  • MEMBER
  • 2 POSTS
That's the thing is I can't read the engine codes. Every time I hook up the computer it tells me that it can't read it, and throws generic codes up. Any other ideas?
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Thursday, April 14th, 2016 AT 4:48 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Then have it checked for a poor connection someplace either at connection or if you have an adapter check that. It may be a wire problem and check for a blown fuse under hood.
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Friday, April 15th, 2016 AT 6:37 AM

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