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Cadillac is cranking but not starting.

Tiny
ROBATK
  • MEMBER
  • 2005 CADILLAC STS
  • 4.6L
  • V8
  • RWD
  • AUTOMATIC
  • 100,000 MILES
I have replaced ignition coils, plugs, a fuel injector on #6 cylinder (per fault code), a new crankshaft sensor (per fault code), and a new camshaft position sensor on bank2 (per fault code). With all these items replaced, the car still will crank but not start. My question is: Does the PCM or ECM have to be reset to recognize that the repairs have been performed?
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Friday, June 20th, 2014 AT 4:02 AM

4 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Nope a scanner does that check your fuel pressure with a gauge and try resetting your anti theft see pic for anti theft
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Friday, June 20th, 2014 AT 6:24 AM
Tiny
ROBATK
  • MEMBER
  • 5 POSTS
Ok I will try today. I have one more question that I'm terrified to ask. The car was running great the morning of the day it started to give me trouble. After work I went out and started the car and it sounded and felt horrible.A rough idle and loud. What's the chances of this all being an issue with the timing?
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Friday, June 20th, 2014 AT 6:42 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
It may be something else have it scanned and the fuel pressure checked by gauge. Also when was last time you checked the oil and other fluids?
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Friday, June 20th, 2014 AT 7:46 AM
Tiny
ROBATK
  • MEMBER
  • 5 POSTS
Fuel pressure is 55 psi. Fluids are full. I'm going to check the anti-theft feature and go from there because everything the scanner gave a code for has been repaired. Thanks very much for the feedback.
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Friday, June 20th, 2014 AT 7:50 AM

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