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I have 1998 Olds Silhouette. It has started revving up around 1800 rpms and sometimes will hardly stay started. Losing gas mileage rapidly.

Submitted: 33 days and 8 hours ago.

Category: Car

Value: $13

Status: CLOSED

Year: 1998
Make: Oldsmobile
Model: Silhouette
Engine: 3.4

Already Tried:
Nothing

Posted by ALL Around Tech 33 days and 6 hours ago.

Info Request

Hello,

Take a can of carb cleaner or wd 40 and spray the intake manifold gaskets and see if the idle changes while spraying......looking for a vacuum leak to start here.

Thanks,
Joe

33 days and 3 hours ago.

Reply

I had a guy say that it could be the idler server body. How well can I trust that?

Accepted Answer

There is nothing called that there is an iac idle air control valve however it would be not really related to this exact problem the way you have stated it. You can try removing it and cleaning it, however I beleive you have a vacuum leak.

The iac is the larger of the 2 sensors on the throttle body.

Accepts:
Expert:	ALL Around Tech
Pos. Feedback:	100.0 %
Answered:	10/20/2009

ASE Certified Technician

ASE, electronics, Marine inboards and electronics, automotive drivability, all around repair tech,

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Question

I have 1998 Olds Silhouette. It has started revving up around 1800 rpms and sometimes will hardly stay started. Losing gas mileage rapidly.

Optional Information

Year: 1998
Make: Oldsmobile
Model: Silhouette
Engine: 3.4

Already Tried:
Nothing

Info Request

Hello,

Take a can of carb cleaner or wd 40 and spray the intake manifold gaskets and see if the idle changes while spraying......looking for a vacuum leak to start here.

Thanks,
Joe

Reply

I had a guy say that it could be the idler server body. How well can I trust that?

Accepted Answer

Car

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Related Car Topics:

Question

I have 1998 Olds Silhouette. It has started revving up around 1800 rpms and sometimes will hardly stay started. Losing gas mileage rapidly.

Optional Information

Year: 1998Make: OldsmobileModel: SilhouetteEngine: 3.4 Already Tried: Nothing

Info Request

Hello, Take a can of carb cleaner or wd 40 and spray the intake manifold gaskets and see if the idle changes while spraying......looking for a vacuum leak to start here. Thanks,Joe

Reply

I had a guy say that it could be the idler server body. How well can I trust that?

Accepted Answer

Related Car Questions

Year: 1998
Make: Oldsmobile
Model: Silhouette
Engine: 3.4

Already Tried:
Nothing

Hello,

Take a can of carb cleaner or wd 40 and spray the intake manifold gaskets and see if the idle changes while spraying......looking for a vacuum leak to start here.

Thanks,
Joe