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I am in the process of purchasing a ''93 Saturn SL2 which appears to be
in good shape except for a couple known, cheap repairs and a
significant vibration in the steering column at idle. When I''m stopped
at a red light with the engine in gear, the steering wheel vibrates
significantly. This is my first Saturn, and I''ve read some reviews
that say this model is known for a rather rough ride, but I don''t know
if this particular vibration is normal or not. Once I''m driving
again, the vibration in the wheel goes away (at least enough not to
perceive it). I did notice that the rear-view mirror does vibrate a
little while driving enough to make the cars behind you look a little
shaky.
One of the two known needed repairs is the MAP sensor, according to
the OBD codes (the check engine light comes on after three to four
minutes of driving). Is there a possibility that it''s the cause (maybe
indirectly) for the vibration? What else could be causing it?
(BTW, in case you''re wondering, the other repair is a power window regulator, so I''m pretty sure that''s not related.)
Engine vibration is the cause of this issue, it is the biggest complaint from many owners, changing the engine mounts will help, as mounts age the rubber gets hard and they don't absorb vibration like they should, new mounts help issue, but it will no stop it altogether. A faulty MAF will not cause vibration, just a hesitation on acceleration at times
Me and my dad just semi rebuilt the engine on a 93 Saturn SL2 and it has a vibration in idle my dad knows cars and said that the engine isnt broken in and/or it has sit for a year or so so check with the guy and ask him if it has had engine work
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I have one, is your security light flashing? Sounding like it 'wants to start' is usually a problem with the fuel pump or injectors either not working or the security system shutting them down because the Remote Keyless Entry module (RKE) thinks you are trying to steal your car. The relay for the RKE is a known reason for this to happen, it in under the dash near the steering column.
I would look at the egr system. First pull the valve and clean it. If you have a vacuum tester this would be a good time to test the valve itself as well. When under load you should be able to see the diaphragm engage and hold and then release as you release the vacuum. If that doesn't work check and/or replace the egr solenoid. It's located on the driver's side of the valve cover and usually runs about 60$.
Yours is a common complaint and the above is the most common remedy. Outside of that you might want to check and clean the idle air control valve and the port where it's housed. If it is extremely dirty or something managed to get stuck in there that could affect you vehicle running at idle as well.
Another thing, even though you just changed the plugs, pull one back out and look at it. If is fouled with oil you might need a new valve cover gasket which if it's leaking badly enough will impede spark.
Do not know what an INS fuse is but the 90s saturns I owned, 3 of them, had a fuse panel just to the left of the front passenger's left knee. pull open the panel just to the front of the console, it is held on with velcro.
You put the key into the lock cylinder, the lock cylinder is directly attached to the ignition switch. Both are inside the plastic boot around steering column.
Here you are.
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