
1991 Lexus LS400 4.0L Hesitation
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...
FIX posted 9/14/2012
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)4 Replies Received(Hide Replies)4 Replies Received
|
Message Closed w/FIX
|
VIN | JT8UF11E7M |
Engine | 4.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Symptoms | Hesitation |
Occurs | Always |
Message Closed w/FIX
Vehicle Data
1991 Lexus LS400
VIN | JT8UF11E7M |
Engine | 4.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Symptoms | Hesitation |
Occurs | Always |