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Starting problems

Tiny
TRAVISCROWE7
  • MEMBER
  • 1989 BUICK CENTURY
  • 2.5L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 140,000 MILES
Would the ignition coolant control sensor keep it from starting? Because the prongs on mine are broke off.
Monday, February 20th, 2017 AT 12:41 PM

3 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
If you are talking about the coolant temperature sensor, if you unplug the sensor, it should start and run. Now a faulty signal from the sensor is another issue. Fix the sensor or electrical connector. How long since a tune-up? Any applicable trouble codes? At the top of page, repair guides, a lot of good information on that link.
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Monday, February 20th, 2017 AT 12:58 PM
Tiny
TRAVISCROWE7
  • MEMBER
  • 3 POSTS
No it is the ignition coolant control sensor, I have already replaced the sensor your talking bout and just did a tune up. I unplugged the sensor and still not starting I am not getting any codes.
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Monday, February 20th, 2017 AT 2:35 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Other than the cts, I am not sure which sensor your talking about? If it cranks good but will not start, have a helper crank it while you check for spark at the spark plugs. If spark everywhere, use a gauge and check proper fuel pressure. Also, check fuel injector pulse.
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Tuesday, February 21st, 2017 AT 7:47 AM

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