Engine cranks but does not start?

Tiny
NUKNUKSHPEELKUM
  • MEMBER
  • 2005 CADILLAC STS
  • 3.6L
  • V6
  • 4WD
  • AUTOMATIC
  • 179,000 MILES
If you get in the car push the brake and hit the start button it turns over normal, but it won't hit at all. If you push the gas pedal all the way to the floor and try to start it, it acts like it wants to start but never does. I've put a new MAF sensor, a new crankshaft sensor, fuel filter/pressure regulator, I've checked the fuel pressure it's good, I've checked all the fuses they're good, I've checked the ground wires they're good and I've lost sleep over this because I can't figure it out it'll be the first vehicle that I have had to go and ask somebody else for help. Please help me!
Wednesday, April 12th, 2023 AT 6:50 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
The first things we should do is check for spark and run the codes. Here are two guides to help us get started:

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

and

https://www.2carpros.com/articles/how-to-check-for-ignition-spark

Also, this guide can help as well:

https://www.2carpros.com/articles/car-not-running-advanced

To me it sounds like the crankshaft angle sensor has gone out here is the location so you can swap it out if needed. Check out the images (below). Let us know what happens and please upload pictures or videos of the problem so we can see what's going on.

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Thursday, April 13th, 2023 AT 11:12 AM
Tiny
NUKNUKSHPEELKUM
  • MEMBER
  • 2 POSTS
I've already replaced that part. It has spark.
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Thursday, April 13th, 2023 AT 2:05 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
My bad, will the engine run on starting fluid?
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Saturday, April 15th, 2023 AT 9:58 AM

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