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PCM location?

Tiny
TOMMYTRUTH
  • MEMBER
  • 1997 CHEVROLET LUMINA
  • 6 CYL
  • 2WD
  • AUTOMATIC
Where is the pcm located on a 97 Chevy lumina 3.1?
Saturday, April 2nd, 2011 AT 9:04 PM

9 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Hello,

The PCM is located on the passengers side under the hood. Here is a diagram that will give you a better idea (below).

Please let us know if you need anything else to get the problem fixed.

Cheers, Ken
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Wednesday, July 26th, 2017 AT 2:38 PM
Tiny
CBCS
  • MEMBER
  • 1 POST
  • 1996 CHEVROLET LUMINA
Computer problem
1996 Chevy Lumina 6 cyl Front Wheel Drive Automatic

I have a 1996 Chevy Lumina APV Mini van, my computer was diagnost to have a bad computer because it sending a code to the alternator to keep charginging, and the voltage is riding high around 15.97 and 16.25 volts, where is the coputer located in the engine so I can order a pre programmed new computer from, Auto Computer Exchange.
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Wednesday, July 26th, 2017 AT 2:39 PM (Merged)
Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Your vehicle's Powertrain Control Module (PCM) is located under the right side of the dash, behind the convenience center
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Wednesday, July 26th, 2017 AT 2:39 PM (Merged)
Tiny
SCREEN33
  • MEMBER
  • 1 POST
  • 1994 CHEVROLET LUMINA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 191,000 MILES
Engine Performance problem
1994 Chevy Lumina 6 cyl Front Wheel Drive Automatic 191000 miles

Car just stopped. Will turn over but will not run. I do not have a manual but am told to try replacing the control module first. Need to know where to look for it.
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Wednesday, July 26th, 2017 AT 2:39 PM (Merged)
Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Just because it wont start doesnt mean any control module is bad!

Does the engien crank?

If it cranks first thign to do is get checking out for spark on ALL cylinders note color of spark and speed of spark.

Next check for fuel pressure.

Let me know what you find.
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Wednesday, July 26th, 2017 AT 2:39 PM (Merged)
Tiny
BENCADENBACH
  • MEMBER
  • 1 POST
  • 2001 CHEVROLET LUMINA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 139,000 MILES
Computer problem
2001 Chevy Lumina 6 cyl Two Wheel Drive Automatic 139000 miles

I need to replace my PCM. Where is it located? To my understanding it is just simply removeing the old one and pluging in the new. Anything you might add. Thanks
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Wednesday, July 26th, 2017 AT 2:40 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
On right side of engine compartment, forward of strut tower.

Have the new PCM flashed.
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Wednesday, July 26th, 2017 AT 2:40 PM (Merged)
Tiny
NUNYABIZ
  • MEMBER
  • 1 POST
  • 1994 CHEVROLET LUMINA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 176,000 MILES
Where is the computer located on a 1994 chevy lumina mini van 3.8
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Wednesday, July 26th, 2017 AT 2:40 PM (Merged)
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Right side engine compartment in front of strut tower
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Wednesday, July 26th, 2017 AT 2:40 PM (Merged)

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