Will not shut down

Tiny
PETER DHOOGHE
  • MEMBER
  • 2001 LINCOLN TOWN CAR
  • 4.6L
  • V8
  • TURBO
  • 2WD
  • AUTOMATIC
  • 142,393 MILES
Recently I have started noticing a hesitation in the accelerator between thirty five to forty mph. Since then, it, every so often, has continued to run very roughly for thirty seconds to a minute after I turn off the ignition. If I turn the key back into the on position the car starts up immediately. Just the other day it stalled, but started up again without trouble. I am not sure what to do.
Thanks
Monday, June 12th, 2017 AT 2:57 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Clean throttle plate on both sides and IAC hole with choke cleaner as it may have the idle too fast and is sticking. Also, check the fuel pressure with a gauge auto parts rent it. See link.
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
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Monday, June 12th, 2017 AT 3:39 PM

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