No spark, getting fuel

Tiny
ENERGETIC
  • MEMBER
  • 1999 FORD MUSTANG
  • 4.6L
  • V8
  • 2WD
  • MANUAL
  • 221,000 MILES
Crank no start no spark, no tachometer movement. Can you help please? Five speed manual transmission.
Thursday, November 1st, 2018 AT 9:55 PM

4 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
Hi and thanks for using 2CarPros.com

When you say no spark, my first suspect is the crankshaft position sensor. If you have a live data scanner, you can check to see if there is a signal from it when cranking.

Take a look through this link:

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

If you check it and find it is bad, here is a link that shows in general how one is replaced.

https://www.2carpros.com/articles/crankshaft-angle-sensor-replacement

Here are the directions specific to your vehicle for replacement. The attached picture correlates with these directions.

___________________________________
REMOVAL
1. Disconnect the battery ground cable.
2. Remove the A/C compressor.

3. Remove the Crankshaft Position (CKP) sensor:
Disconnect the connector.
Remove the bolt and remove the sensor.

INSTALLATION
1. To install, reverse the removal procedure.

_________________________________

Let me know if this helps of if you have other questions.

Take care,
Joe
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Friday, November 2nd, 2018 AT 6:13 PM
Tiny
ENERGETIC
  • MEMBER
  • 3 POSTS
  • 1999 FORD MUSTANG
  • 4.6L
  • V8
  • 2WD
  • MANUAL
  • 2,210,000 MILES
Replace the cam censor and the crank sensor. Still no start, just cranks. I noticed my radiator fan just goes on when I turn the key I do not know why, but I took fuse 50 out so it does not drain the battery. Well I am lost. Please help, thank you again. Dan
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Sunday, November 4th, 2018 AT 11:58 AM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
Hi Dan and thanks for using 2CarPros.com.

If the engine cranks but does not start, we need to start with the basics. The engine needs spark and fuel to run, so lets start there.

The easiest thing to do is see if it will start for a couple seconds using starting fluid. If it does, then we know it is a fuel related issue. If it does not, then most likely there is no spark to the plugs. Take a look through these three links. The first discusses in general the most common reasons for a no start. The next two show in general how to check for spark and fuel to the engine.

https://www.2carpros.com/articles/car-cranks-but-wont-start

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

https://www.2carpros.com/articles/how-to-test-an-ignition-system

Start with those things. If you have already done them, let me know. Also, if you have other questions or need additional help, let me know. As far as the cooling fan, chances are there is a short to power, but that shouldn't prevent the engine from starting.

Let me know what you find.

Joe
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Sunday, November 4th, 2018 AT 11:58 AM (Merged)
Tiny
ENERGETIC
  • MEMBER
  • 3 POSTS
Thanks, I will try that and let you know ASAP.
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Sunday, November 4th, 2018 AT 11:58 AM (Merged)

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