Throwing codes P0128, P0300, P0171 & P2097

Tiny
PVEGA805
  • MEMBER
  • 2012 DODGE CHARGER
  • 3.6L
  • V6
  • 2WD
  • AUTOMATIC
  • 138,680 MILES
I’ve replaced my spark plugs and ignition coils not only because I needed to but because I got the engine code P0300. The housing for my thermostat had broke and had to replaced I thought that would get rid of the code P0128 but I still have that code as well. For code P0171 I changed the air filter, checked all of the hoses and they have no leaks.

What can I do to figure out the issue for P0171 and for P2097? Secondly can the issues from those 2 codes cause the misfire code P0300?
Monday, April 14th, 2025 AT 8:41 PM

1 Reply

Tiny
CARDOCTOR74
  • MECHANIC
  • 63 POSTS
Hi Rob there. Was the thermostat replaced with an OEM part and a cooling system bled properly? Have you checked for any vacuum leaks?
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Tuesday, April 15th, 2025 AT 10:53 AM

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