Transam Need HELP ASAP
and the car runs Fine and Fast.
2 weeks ago my car start acting Mad.first the car became very slow when i checked the car it was too Lean so i changed the O2 Sensors and after that the car runs too rich .tonight we made another DYNo run and car made only 320WHP which is 80WHP less than what it was.
Tuner checked the tune and everything was fine NO SES NO VACOUME LEAK SPARK PLUGS WIRES ARE FINE NO MISSFIRE .
So what can make this happend?
the car drives fine but only power is not there
lost of 80WHP on car?





