Turns over but will not start

Tiny
CHRISTOPHER LEE SIMPSON
  • MEMBER
  • 2003 MERCURY MARQUIS
  • 4.6L
  • V8
  • 2WD
  • AUTOMATIC
  • 130,000 MILES
Car turns over but will not start when cold out (2003 Lincoln town car).
Wednesday, January 20th, 2021 AT 9:24 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,736 POSTS
Chris,

Will it start using starting fluid regardless of temperature? If so, either we have a weak fuel pump or there is an issue with the engine coolant temperature sensor.

Do me a favor. Let me know if you have access to a live data scan tool. If you do, compare the ECT signal to the actual temperature. If it is okay, then check fuel pressure. Here is a link you may find helpful:

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

Let me know.

Joe
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
Wednesday, January 20th, 2021 AT 8:43 PM

Please login or register to post a reply.

Related Engine Not Running Content

How to fix an engine that wont start
VIDEO
How to fix an engine that wont start
Instructional repair video
Engine Not Starting
GUIDE
Engine Not Starting
Over the past 20 years at 2CarPros we have identified the top problems that are easily fixed. This guide can save you a trip to the repair garage or calling a tow truck and...
VIEW MORE

Sponsored links