1999 Oldsmobile 88 - Answered Questions & Fixed issues

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Where is the fuel pump on a 1999 oldsmobile 88?

It is in the fuel tank.The fuel tank has to be removed to access it.
3/13/2024 5:43:23 PM • 1999 Oldsmobile... • Answered on Mar 13, 2024 • 1,229 views
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Are you in kenosha wi my parking lights will NOT turn off in my oldsmobile 1999 88

It sounds like you are having a problem with your parking lights not turning off on your 1999 Oldsmobile 88. There could be a number of causes for this issue, including a problem with the light switch, a fault in the wiring, or a problem with the light bulbs or sockets. To diagnose the problem, I recommend starting by checking the light bulbs and sockets to make sure they are working properly. You can do this by replacing the bulbs with new ones and checking the sockets for any signs of damage or corrosion. If the problem persists, it could be an issue with the wiring or the light switch. If you are not comfortable performing these checks yourself, or if you are unable to identify the cause of the problem, I recommend taking your car to a mechanic for further diagnosis. They will be able to identify the cause of the problem and recommend the appropriate repair.
1/1/2023 11:31:25 PM • 1999 Oldsmobile... • Answered on Jan 01, 2023 • 57 views
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Where is the petcock located on a 1999 oldsmobile

Most are difficult to get to and so many don't work correctly that it it's almost silly to even use it. Far easier is to simply remove lower hose from radiator. It works better and faster. Just be careful though...Don't do hot or you may get an unwanted scalding bath!!
8/24/2018 4:44:40 PM • 1999 Oldsmobile... • Answered on Aug 24, 2018 • 582 views
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1999 oldsmobile 88 headlights wont shut off

Headlamp relay contacts could be stuck together causing the headlamps staying on , or the lamp control module is bad .
5/5/2017 9:41:42 PM • 1999 Oldsmobile... • Answered on May 05, 2017 • 708 views
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1999 oldsmobile 88 headlights wont shut off

Pull this circuit breaker till you can find the problem. Check for applicable trouble codes. You have a lighting control module, I can't troubleshoot that component from here. headlamp circuit breaker-aqqcxoafxh3vrrogaagbglgs-1-0.jpg
4/29/2017 9:36:32 PM • 1999 Oldsmobile... • Answered on Apr 29, 2017 • 605 views
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Heater/AC fan only works on High

Bencar1 is right. The problem is probably the resistor. But it also could be a burned terminal in the 4 prong plug that attaches to the resistor. There will be burn marks on one of the prongs of the resistor if this is it. Look for the obvious. Good luck.
6/15/2016 12:25:25 AM • 1999 Oldsmobile... • Answered on Jun 15, 2016 • 4,134 views
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I have a 1999 Oldsmobile 88 that just stopped running 4 days ago.It was running fine no engine issues and when I got up the next morning it would not start.Starter fluid just allowed it to gun up once

Sounds like a fuel issue. I would make sure you have at least 45lbs of fuel pressure at the fuel rail. If not, make sure the fuel pump runs. Chances are you will need to drop the fuel tank and change out the fuel pump.
6/15/2016 12:07:15 PM • 1999 Oldsmobile... • Answered on Jun 15, 2016 • 73 views
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Why is there water coming out the throttle body on my 1999 oldsmobile 88 3.8litre

Hi Henry, Im AL the owner of Big As Auto Repair. Henry, anytime there is water coming from the throttle body, it could be a cracked head, blown head gasket OR the intake manifold gasket is blown at one of the water ports on the manifold. Hope this helps and please visit my auto-repair-website at: http://www.bigasautorepair.com/
10/20/2015 10:12:54 AM • 1999 Oldsmobile... • Answered on Oct 20, 2015 • 263 views
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Cable broke on hood release. It was having no issues and when it was last pulled it broke.

This is a tough one. you will probably have to get the car raised on a lift and look up in there to find the release and pull it with needle nose pliers. Before doing that, take apart the release handle inside the car and see if it is broken lose there. If it is, pull the cable with pliers. Good luck.
6/11/2015 3:12:45 PM • 1999 Oldsmobile... • Answered on Jun 11, 2015 • 159 views
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Where is the fuel relay for a 99 Oldsmobile 88

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3/25/2015 9:26:12 PM • 1999 Oldsmobile... • Answered on Mar 25, 2015 • 461 views
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Blinkers wont blink change the relay fuses ok

What about the turn signal switch on the steering column? Did you use a testlight and check voltage at the turn signal fuse? Goes hot when you turn on the key. A lot of times, it's the turn switch or wiring in the steering column, but, It don't hurt to check the basics.
2/20/2015 10:29:20 PM • 1999 Oldsmobile... • Answered on Feb 20, 2015 • 137 views
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Oil pump not working

Have you used an accurate oil pressure gauge to see what you have? If the pressure is so low it is not lubing rocker arms, the main bearings are probably shot. You could try replacing the pump and running thicker oil to get a few more miles from it, but may not work.
1/19/2015 11:57:28 PM • 1999 Oldsmobile... • Answered on Jan 19, 2015 • 58 views
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Where is the alternator located

It should be towards the back of the engine on the passenger side. It will have a belt on the pulley.
1/8/2015 11:01:36 PM • 1999 Oldsmobile... • Answered on Jan 08, 2015 • 46 views
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No oil to the top of the head

It's common for that to happen on start up. If you're not getting oil to the top under acceleration then that's of concern. See if you have gunk built up in the head and oil cap. If you do then start with the cheapest fix which would be to have the oil system flushed out with a detergent. If no go there then you probably need to replace the oil pump.
1/8/2015 10:55:51 PM • 1999 Oldsmobile... • Answered on Jan 08, 2015 • 61 views
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No dash lights, chime is on without key in ignition(frequency changes when it is in) and no parking lights.

I took my a part and the plug is lose so we pull up on it and put a zipper tie and now it works fine
12/25/2014 5:24:05 AM • 1999 Oldsmobile... • Answered on Dec 25, 2014 • 273 views
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1999 Olds 88 won't start. It just clicks once. Battery tested ok.

These cars are notorious for failed antitheft systems. You probably don't even know you have it, but it is there. Go to this link, try the quick fix "ten minute trick"http://vatspasslockpasskeysecurityhelp.yolasite.com/
12/4/2014 8:26:53 AM • 1999 Oldsmobile... • Answered on Dec 04, 2014 • 540 views
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Where is the location of air filter 1999 oldsmobile 88

The engine air intake filter is located next to the driver's side end of the engine in a large black plastic housing. Housing is diagonally between the windshield washing fluid resevoir and the radiator. You have to remove two screws from the top of the housing and remove the electrical connector from the large flex air hose at the back of the housing. The air hose fits tightly into a groove around the air intake on the engine and needs to be pulled back and off. Then the housing rear section and the attached air hose can be moved back and up out of the way.
11/2/2014 6:04:29 AM • 1999 Oldsmobile... • Answered on Nov 02, 2014 • 260 views
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Where is the fuse box on a 1997 Oldsmobile 88?

I assume the fuse box locations for a 1997 Olds 88 would be the same as for a 1999 - which are: (1) In the lower cover panel below the instrument cluster just left of the steering column - with a snap-off cover. (2) Passenger side 'kick panel' - side panel under the dashboard just forward of the door - lower cover panel underneath the dashboard and next to the firewall must first be removed. (3) Under the hood on passenger side on the firewall - need to remove black plastic outer cover (1/4 turn finger latches) then two black plastic inner covers (side spring latches).
11/2/2014 5:43:29 AM • 1999 Oldsmobile... • Answered on Nov 02, 2014 • 1,115 views
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What relays are in the Maxifuse/Relay Center?

Depends on vehicle but generally a hi-lo cooling fan relay, fuel pump relay, starter relay,fuel injector relay, a/c relay and on certain models hi& low beam headlight relays.
11/2/2014 5:36:36 AM • 1999 Oldsmobile... • Answered on Nov 02, 2014 • 356 views
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