Question about 1998 Oldsmobile Cutlass

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98 oldsmobile cutlass cuts off when i try to accelerate. drives in reverse fine. idles fine. could this be the intake manifold gasket problem. theres oil in the air flow line but would this cause the car to do the described problem. i read where it could cause internsl issues so could it have made something else malfunction?

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  • 85 Answers

It's the P.C.V. valve

Posted on Feb 17, 2014

Testimonial: "Yeah it said that on comp I got. This mechanic seen the oil in the air intake and tried to get me to pay $600 in labor to put a new manifold gasket kit in. Car has high mileage so oil is common there. Thanks for that. I will check in to it and tell u how good u are. Lol"

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Posted on Jan 02, 2017

  • 8 Answers

SOURCE: lower intake manifold gasket leaking 02 Olds Silhouette

This is basicly a very time consuming job rather than a physically hard one to complete. In order to replace the gasket you must remove the intake plenum,throttle body, and misc. vacuum hoses. The wiring harness connections must also be disconnected. Finally the intake manifold is exposed. The bolts holding the manifold to the block are removed exposing the leaking gasket. After removing the push rods and placing them in the correct order to be replaced the gasket and sealants can be removed. Finally replace everything in reverse order. Be sure to consult a GM manual for correct bolt torch specs. The correct specs for the manifold bolts usually come with the gasket. Make sure to change your oil a few times after this job in case any coolant entered the block. Also,change the thermostat and the oil seal on the distributor half shaft cap while you have everything off. Good Luck

Posted on May 12, 2009

ourhowse
  • 2007 Answers

SOURCE: 1991 Oldsmobile Cutlass Ciera idles high

Change your idle control sensor, but first make sure your throttle linkage isn't sticking.

Posted on Jun 03, 2009

  • 4 Answers

SOURCE: 1990 oldsmobile 98 error code 34 MAC

There are 2 problems for code 34. First, is manifold absolute pressure(MAP) sensor signal voltage low. Second, Mass Air Flow (MAF)sensor signal-low airflow indicated.I dont have anything for the MAC.Hope this helps

Posted on Jul 06, 2009

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3 Answers

My 91 oldsmobile 98 runs rough in idle but when driving run smooth.


Rough idle is a very common problem on 4 cylinders, but I believe the 98 Regency has a 6 cylinder in it, right?

Sometimes the coil packs get iffy, and sometimes the EGR Valve gets a leak in it causing a rough idle.

When the accelerator pedal is depressed, it can change things so that the engine seems to run smoothly.

However, I would look for codes to see if anything intermittent is occurring in the engine that may need attention.

The OBD-I scanner can help to diagnose the problem, if anything is out of specifications on the engine in question.

The owner will have to find a technician that has such a scanner.

Aug 29, 2010 | 1991 Oldsmobile Ninety Eight Regency

1 Answer

Runs hot must times not all the time.think i need a intake gasket


I don't believe replacing the intake manifold gasket is going to help with it running hot. Try replacing the Thermostat and if that fails look at your water bump and possibly low radiator fluid.

Jun 25, 2010 | 1997 Oldsmobile Cutlass Supreme

1 Answer

Engine just cutting out even while driving


Sounds like misfire.
On this cars common problem is - intake manifold gasket goes bad creating big vacuum leak , what makes fuel mixture very lean and causing misfire and even stalling engine.
Usually gasket goes bad toward rear of the engine.
How to check :
Buy carburator cleaner spray .
Turn engine on and spray cleaner in to intake manifold gasket area , from begining to the end of it.
If engine start choking or picks up the idle speed - it is your problem. Choking indicates big vacuum leak ,
idle increase indicates small vacuum leak.

Jun 03, 2010 | 2003 Nissan Altima

1 Answer

Where are the gaskets on a 1994 oldsmobile cutlass supreme


valve covers,1/2 hour each, oil pan 1 hour,head gaskets 7 hours,transmission pan1 hour ,intake 5 hours,or exhaust manifold gaskets.4 hours

Oct 23, 2009 | 1994 Oldsmobile Cutlass Supreme

3 Answers

STARTS ROUGH IDLE AND WILL ONLY ILDE FOR ABOUT 30SEC


sounds like a fuel delivery problem. try cleaning carb.

Aug 07, 2008 | 1998 Mazda 626

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