Hard starting in cold weather

Tiny
JOE BANGNOSKI
  • MEMBER
  • 2005 LINCOLN TOWN CAR
  • 4.6L
  • V8
  • 2WD
  • AUTOMATIC
  • 105,000 MILES
I would not consider myself a technician, but have done most work on cars myself including putting an engine in my old Cadillac in my garage. My car listed above starts hard when below about thirty degrees out. Will have to crank it quite a few times and when it finally does start will run rich for a little less than ten seconds. Googled it and switched out the MAF and coolant temperature sensor with no results. Wondering where to look next. Thank you.
Saturday, February 3rd, 2018 AT 10:00 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,347 POSTS
Hello,

It sounds like you have a weak fuel pump which is not pressurizing the system quick enough.

Here is a guide to help you run a test to confirm the issue:

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

and this gudie can help as well.

https://www.2carpros.com/articles/engine-cranks-excessively-before-starting

Please let us know what you find. We are interested to see what it is.

Cheers, Ken
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Sunday, February 4th, 2018 AT 12:37 PM

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