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Oldsmobile Aurora Maintenance & Repair

4284 messages,  Last post on Dec 05, 2009 at 6:21 AM

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What is this discussion about? Oldsmobile Aurora, Auto Repair, Sedan

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#7 of 4284 Sticky throttle by shucknet Sep 07, 2001 (10:29 am)
I've got the sticky accelerator pedal right off of idle, too. I hate it cuz my passengers get whiplash =). Any idea what they clean?
#8 of 4284 sticking throttle by tipsicobob Sep 08, 2001 (7:21 am)
many gm cars with some mileage accumulation suffer from the sticking throttle off idle. It is due to carbon buildup in the throttle body. The only way I know to fix it is to remove the throttle body and remove the carbon build up around the throttle butterfly. This is not a big job for the doit yourselfer.
#9 of 4284 GM Top engine Cleaner by redskin024 Sep 08, 2001 (9:07 am)
I used this on my 87 Monte SS. You pour the stuff in the carb according to the directions, let it sit for 20 minutes or so and then blow all the carbon out the exhaust by running it and revving the engine. Dont know how you would use it with no carb though. You should be able to buy it through your local GM Parts Dept.
#10 of 4284 HOT Air Conditioner by iahmatthew Sep 08, 2001 (11:02 am)
The driver side a/c is blowing air only a slight bit cooler than outside temp. Passenger side is blowing cold. Back seat is blowing about the same as the driver side. Needless to say it is very hot inside when temps outside exceed 70 degrees. Any ideas on what might cause this?   I have changed the temp sensor located in the dash just below the steering wheel - NO LUCK!
#11 of 4284 WARM AIR ON LEFT SIDE by tipsicobob Sep 08, 2001 (2:13 pm)
FOR # 9, I ASSUME YOU HAVE DUAL CLIMATE CONTROL (YOU DIDN'T MENTION THE YEAR). HAVE YOU TRIED CYCLING THE TEMP CONTROL FROM FULL HOT TO FULL COLD SEVERAL TIMES? IT SOUNDS LIKE THE DRIVER SIDE TEMP DOOR IS STICKING, DISCONNECTED, OR THE ACTUATOR MOTOR IHAS FAILED. THE REAR TEMP IS CONTROLLED BY THE DRIVER'S TEMP NOT THE PASSENGER.I WOULD TRY CYCLING THE TEMP SEVERAL TIMES FIRST SINCE A STICKING CONDITION IS THE MOST COMMON. GOOD LUCK!!!
#12 of 4284 cleaning throttle body by blk97aurora Sep 08, 2001 (6:54 pm)
Before becoming an Aurora fanatic, I was a Fiero fanatic (how's that for picking orphans?). When my V6 Fiero developed a hesitation problem, I cured it by cleaning the throttle body with Gunk Air Intake and Throttle Body Cleaner (spray can). There was a lot of black stuff (carbon I suppose) downstream from the throttle butterfly that the Gunk dissolved away; this was done with the engine running. That fixed the hesitation problem.   Recently my Aurora started to exhibit similar slight hesitation. I found the Gunk, removed the air intake hose, and stopped. There was the mass aif flow sensor between me, the Gunk, and the throttle body. Since the instructions on the can read, "Do not spray across mass airflow sensor," I did not proceed. I haven't had the time to further disassemble. I assume that the engine will not run with the MAF removed and therefore the Gunk cannot be used in the same way as with my Fiero.   In the meantime, I poured 12 oz. of Chevron Techron fuel system cleaner into the fuel tank. The hesitation is not completely gone, but it is less than before.
#13 of 4284 hot air conditioner by pizza442 Sep 09, 2001 (10:13 am)
Had this problem, too. Driver side warmer than pass and neither one cooling well enough. Ended up being low on refrigerant. The Aurora and the Riviera both have this dual set up and apparently this is how it shows low freon. I probably have the famous leak in the evaporator in the dash, too.Jay Replies to this message: alarming9 (May 01, 2005 6:52 pm)
#14 of 4284 Sticking Throttle off the line by larryfl Sep 19, 2001 (8:23 am)
I had that problem with an Oldsmobile 98 I owned (1986). Took it to about 3 separate garages before someone finally fixed it. I must have had every inch of the linkage oiled/greased with absolutely no change.   The shop that finally fixed it did by reprogramming the engine management computer! Apparently some setting was wrong, causing some adjustment to be set way out, somehow causing the accelerator to stick. As I watched him, he punched in a number of codes - the engine idled up and down - and DONE. No more sticking.   I would suggest taking your car to a shop that's not afraid to mess with the computers. They can probably take care of it.
#15 of 4284 response to larryfl by tipsicobob Sep 19, 2001 (2:08 pm)
Sounds like they reprogrammed the position of the idle solenoid. I had the problem on my Park Avenue but could only fix it by cleaning the throttle body. I suppose it's possible that the throttle butterfly could stick in the throttle body if it is allowed to fully close--pulling it back just a hair could fix that. Is your idle speed up a bit?
#16 of 4284 tipsicobob by larryfl Sep 24, 2001 (5:11 am)
The car I mentioned was a '86 Ninety-Eight that I had several years ago (traded it for my mid-life crisis firebird 6 or 7 years ago). Unfortunately, I don't remember the details. But what you describe could have been it. However, while the firebird had the throttle-body fuel injection, the 98 had multi-port. Does the throttle-body butterfly still apply to MPFI?

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