too lean? - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 01-08-2007, 12:27 PM   #11
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If you still get the code after the cable cleaning you could try a bottle of fuel injector cleaner. sometimes one injector acts up due to dirt.
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Old 01-09-2007, 10:01 PM   #12
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ok today I was giving it quite a bit of gas maybe 75 percent throttle when I was going up a hill and it just stayed at like 4 k like a rev limiter even after I floored it. I had a near full tank of gas too...I think the fuel pump may be going
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Old 01-09-2007, 10:45 PM   #13
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Check your fuel pressure, and pull the vac line off the FPR after driving and sniff for fuel.
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Old 01-10-2007, 07:56 AM   #14
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Agreed with WillWren, the fuel pump can be going.

How did the battery cable/vacuum hose check go?
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Old 01-10-2007, 11:28 PM   #15
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yea I havent got around to the cable but I will do it before I even look at the fuel pump
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Old 01-11-2007, 08:00 AM   #16
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Most would check the easier item first, although it does appear you have a failing fuel pump. How about a pressure test before pulling the pump?
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