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OBD code P0443, wants to stall out, trouble accelerating

Tiny
DLMOBERG
  • MEMBER
  • 1999 PLYMOUTH VOYAGER
  • 176,000 MILES
I get the OBD code P0443. My 99 Plymouth Voyager has been running rough the higher the outside temp (+ 85 degrees). Wants to stall out on acceleration, and today while climbing a hill, it didn't want to accelerate even with the gas pedal completely to the floor. I pulled over, and shut off a/c & radio. Pulled back into traffic and it ran ok.
Battery light came on briefly. I know what the code means, just wonder if it could be the cause of the symptoms, or if I should be looking at the alternator or something else. The battery is only 1 year old.
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Monday, July 30th, 2012 AT 9:41 PM

5 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
443 may cause rough idle and stumble but not what is going on. Have fuel pressure checked and alt/Batt. How recent tune-filters
Timming belt changed at 120K miles?
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Monday, July 30th, 2012 AT 9:54 PM
Tiny
DLMOBERG
  • MEMBER
  • 3 POSTS
We don't have a timing belt, but a timing chain. We do have a serpentine belt that was changed out within the last couple of years. Filters have all been changed within the last few months.
Guessing the alternator?
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Monday, July 30th, 2012 AT 9:59 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
When don't tell what engine then guess for mpost common all info is important remember your my eyes and ears. Again need fuel pressure checked and charging system
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Monday, July 30th, 2012 AT 10:08 PM
Tiny
DLMOBERG
  • MEMBER
  • 3 POSTS
Sorry. The engine is a 6 cyl, 3.3L
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Monday, July 30th, 2012 AT 10:23 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Again need fuel pressure checked and charging system
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Thursday, August 2nd, 2012 AT 7:47 PM

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