P0172 is the opp of p0171 scan datda after pulling efi fuse for 10 mins reseting fuel trim replaced all plugs ran good untill it warmed up, drained fuel refilled with fresh 93 oct, drove for 2 miles check engine light on fuel trime back at -35. power steering hard to turn, read on forum that the vacum valve may be the cause or bad caps in ecu. Thank you . fire is good on all 8, plugs foul fast no sign of coolant leaking.
Can you help on codes p0172 and p0300 ,p0301 thur p0308 on 1997 Lexus LS400
This week's top 10
Recent Lexus LS400 Questions
- Check engine light came on. Diagnostic code P0420
- My car won't idle it it dies out. And also blowing black smoke what is wrong
- why do the trac light come on
- My check engine light is on and when I come to a stop my rpm drops 500 rpm whi
- Changed the pressure line for power steering.pump now my brakes won't work...
1997 Lexus LS400 Estimates
- Tie Rod End Replacement - Inner ($447 - 606) in Honey Creek, WI
- Transmission Fluid Change ($117 - 158) in Edwards, CO
- Steering Gearbox Replacement ($535 - 798) in Celina, TX
- Electrical System Diagnosis ($88 - 111) in Efland, NC
- Engine Oil Pan Replacement ($498 - 564) in Athens, OH
- Axle Shaft Seal Replacement ($425 - 516) in Campo Seco, CA