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Crank but no start

Tiny
STEPHEN KARANJA
  • MEMBER
  • 2000 ACURA RL
  • 3.5L
  • V6
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
I have been able to rule out fuel pump plenty of gas coming through the fuel line when I try to start it.I have also been able to rule out my PGM relay because I replaced with another relay from another Acura that was running just fine. The only thing left is spark.I cannot see spark after a few tests. What could cause this?
I don't know what else i'm missing to test.
could camshaft sensor cause this?
please help.
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Sunday, July 18th, 2021 AT 6:56 PM

3 Replies

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

Have you got a chance to check the pressure of the fuel at the rail?
The ideal pressure should be 43.4-50.5 PSI with regulator vacuum hose disconnected.

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

Is your service engine light on? If so what is the code(s)?

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

You also could have a faulty crank position sensor. Or even a ignition control module.

https://www.2carpros.com/articles/symptoms-of-a-bad-crankshaft-sensor

Let me know of any questions.

Thank you.
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Sunday, July 18th, 2021 AT 8:08 PM
Tiny
STEPHEN KARANJA
  • MEMBER
  • 47 POSTS
Thanks for your help.I got a fuel gauge to measure fuel pressure.I cannot retrieve computer codes because the car has not been running for awhile. But will try your recommended tips.
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Wednesday, July 21st, 2021 AT 7:58 PM
Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
You're welcome!
Please let me know the outcome and if you need any other information.
Thank you.
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Wednesday, July 21st, 2021 AT 8:40 PM

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