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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
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Message Closed w/FIX
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| 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 |
4 Replies Received
4 Replies Received
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