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1991 Lexus LS400 4.0L Hesitation
Posted to Asian Driveability on 9/13/2012 4 Replies

This car has low fuel pressure (26 psi unregulated) spec is min. 38 unregulated. We put in a new fuel pump and it is the same. The car idles fine, as soon as you accelerate it bogs down and cannot be revved. I popped the cap off of the fuel pump relay, from wh...

4 Replies Received (View Replies)

  Related Documents & Media  1991 Lexus LS400

 
Message Closed w/FIX

car Vehicle Data

1991 Lexus LS400

VIN JT8UF11E7M
Engine4.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
SymptomsHesitation
OccursAlways
Message Closed w/FIX

car Vehicle Data

1991 Lexus LS400

VIN JT8UF11E7M
Engine4.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
SymptomsHesitation
OccursAlways