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Buick LeSabre Engine help

62 messages,  Last post on Nov 23, 2009 at 3:22 PM

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#59 of 62 RE: Engine Sputters at Idle [93buicklesabre] by imidazol97 Oct 08, 2009 (6:53 pm)
Replying to: 93buicklesabre (Oct 08, 2009 4:47 pm) Pull off the vacuum tube on the Fuel Pressure Regulator on the front of the motor. If there's liquid gasoline in the tube or you get a strong smell of gasoline, it may be leaking gasoline from the fuel line into the intake system.   The FPR is the light aluminum colored thing on the fuel rail in right in the middle of picture going across and about 2/3 of the way to the right.     EGR valve picture. On exhaust pipe on back of engine close to throttle body end. Has tube going to air intake.   Replies to this message: 93buicklesabre (Oct 09, 2009 9:27 am) imidazol97 (Oct 09, 2009 4:06 pm)
#60 of 62 RE: Engine Sputters at Idle [imidazol97] by 93buicklesabre Oct 09, 2009 (9:27 am)
Replying to: imidazol97 (Oct 08, 2009 6:53 pm) Ok so how do I fix the problem with the fuel leaking into the intake system? I am trying to figure it out so I can fix the problem because I love the car and I dont want to get rid of it. Let me know... Thanks Replies to this message: imidazol97 (Oct 09, 2009 4:06 pm)
#61 of 62 RE: Engine Sputters at Idle [93buicklesabre] by imidazol97 Oct 09, 2009 (4:06 pm)
Replying to: 93buicklesabre (Oct 09, 2009 9:27 am) Do you have liquid fuel in the line from the FPR?
#62 of 62 Fuel problem? by khh3 Nov 23, 2009 (3:22 pm)
I have a 1993 buick lesabre, here's my problem, first of all let me add this, new fuel filter was installed, fuel pressure was checked, and was in parameters. So my problem is, the car starts fine, idles fine. On the highway and on city streets, when stepping of the gas, the car boggs down step down further, and more so, let up slightly and its ok. I was treating the fuel with star tron, and used recommended amounts and it cleared up for sometime, now I am back to the bogging down when stepping on the gas, and the fuel treatment no longer works. Have any Ideas? please help!

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