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.

ABS-95Pontiac Bonneville

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Old Jan 2, 2007 | 03:56 PM
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Default ABS-95Pontiac Bonneville

I have 95 Pontiac Bonneville and my ABS light turn on
I read the trouble code and I get code 041-RIGHT FRONT
INLET VAVLE CIRCUIT MALFUNCTION. :(
It is series or small problem?
and how can I fix this problem?
thanx
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Old Jan 2, 2007 | 04:26 PM
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Not sure if this is a problem with the wheels speed sensor or not...I've fixed ABS problems in the past by simply cleaning the wheel speed sensors connectors.
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Old Jan 2, 2007 | 04:30 PM
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You posted this in the 2000-2005 section, which has a VERY different ABS system.

I'll move this to 92-99 for you.

The problem is not a wheel speed sensor. That inlet valve is inside your PMV. Pressure Modulator Valve assembly. It'* the gizmo underneath your airbox (where your filter lives) that has brake lines coming in and out of it.

Last I checked, dealer price was about $750 for it. Wreckers around $200. It is not a repairable part. You need to replace it. How was this code determined?

I have the same problem on my 93. I live without it.
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Old Jan 2, 2007 | 04:33 PM
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Originally Posted by willwren
You posted this in the 2000-2005 section, which has a VERY different ABS system.

I'll move this to 92-99 for you.

The problem is not a wheel speed sensor. That inlet valve is inside your PMV. Pressure Modulator Valve assembly. It'* the gizmo underneath your airbox (where your filter lives) that has brake lines coming in and out of it.

Last I checked, dealer price was about $750 for it. Wreckers around $200. It is not a repairable part. You need to replace it. How was this code determined?

I have the same problem on my 93. I live without it.

yeah that is what I was dreading but not 100% sure....If you all around you might find a wrecker with one...I might be able to snag one for ya for cheap. usually they are left on the cars and not a seperate "for sale" part...at least not that I see right now on car-part
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Old Jan 2, 2007 | 04:36 PM
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Used PMV'* are very iffy. The coils in the valves fail after years of exposure to brake fluid/moisture.

I got a used one for mine. It was bad on another valve coil. Lucky for me I had a 30 day warranty. But it was twice the work for no gain.
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Old Jan 3, 2007 | 05:58 PM
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I like to say thanks all of you for helping me
I try to find one on junkyard, if I don’t find one
I going to live with it
THANX
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