1997 Cadillac Deville NO INJECTOR Pulse

Tiny
MRDEVILLE1
  • MEMBER
  • 1997 CADILLAC DEVILLE
  • V8
  • FWD
  • AUTOMATIC
  • 97,000 MILES
I HAVE NO INJECTOR PULSE. HAYNES REPAIR MANUAL SAID THE PCM CONTROLS INJ PULSE BUT I CAN T FIND THE LOCATION OF THE PCM. THE MANUAL HAS THE LOCAL FOR 2000 AND LATER I LOOKED UNDER DASH BOTH SIDES AND UNDER HOOD FRONT DRIVERS SIDE DID NOT SEE ANY THING. IS THE PCM MY PROBLEM AND WERE IS IT. THANK U CARL
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Sunday, February 15th, 2009 AT 5:21 PM

7 Replies

Tiny
RASMATAZ
  • MEMBER
Check the injector fuses 10amp if okay turn ignition On and check for power at the pink wire of the injector harness connector-power here-You have a problem with the computer ground drivers circuit.
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Sunday, February 15th, 2009 AT 5:35 PM
Tiny
MRDEVILLE1
  • MEMBER
Fuses good there were two. Have power to pink wire in harness. Whats next.
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Sunday, February 15th, 2009 AT 6:33 PM
Tiny
RASMATAZ
  • MEMBER
Replace the computer it has a bad ground drivers
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Sunday, February 15th, 2009 AT 7:50 PM
Tiny
MRDEVILLE1
  • MEMBER
Were can I find the computer I looked under dish didn t see it looked umder hood didn t see it. Whats it location.1997 cad. Dvville 4.6 v8 northstar. Try to be exceted. Thank u. P s I have two parts cars 97 & 98 both devilles can I use a computer from one of them.
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Sunday, February 15th, 2009 AT 9:51 PM
Tiny
RASMATAZ
  • MEMBER
The computer is located left front of engine compartment under aircleaner housing
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Sunday, February 15th, 2009 AT 10:09 PM
Tiny
MRDEVILLE1
  • MEMBER
I took a computer from another 97 deville I have, I changed the chip from one to the other. Still wont start. Both computers. Have same part #s. What else should I try. Thank u carl
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Monday, February 23rd, 2009 AT 9:28 PM
Tiny
RASMATAZ
  • MEMBER
Try checking the camshaft position sensor some computers use its signal to synchronize the injectors
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Monday, February 23rd, 2009 AT 9:41 PM

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