'97 Northstar, started getting intermittent codes:
I did some searching and read about the "plenum" issue for the 2000's Northstars, but mine is a '97.
Apparently I should be searching for a vacuum line leak? Any words of advice specific to a '97 STS?
- P0171 fuel trim system lean bank 1
- P0174 fuel trim system lean bank 2
I did some searching and read about the "plenum" issue for the 2000's Northstars, but mine is a '97.
Apparently I should be searching for a vacuum line leak? Any words of advice specific to a '97 STS?