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98

The first thing to do is verify the fluid condition and if it is full. If the fluid is full then smell the fluid and put some fluid on a white towel to see if it is very dark and...

Hi Christian. Thanks for contacting us today. If the beeping noise appears to be coming from inside the cabin, it's possible that there is some sort of electrical short that is activating a warning light indicator. If the noise appears...

I think more than anything else that the multiple grades of fuel you are using is the primary source of your problem. If you use an unleaded gasoline then use a racing 110 octane leaded gasoline, it creates tons of...

Hello, thanks for writing in about your Oldsmobile 98. You need to have the charging system checked to see if the alternator (https://www.yourmechanic.com/services/alternator-replacement) is charging the battery. You may have a blown main fuse (https://www.yourmechanic.com/services/fuse-replacement) if the alternator is proven...

You definitely want to reset the computer when you make a repair like this. Resetting the computer will allow it to check the new component for proper operation and set a Diagnostic Trouble Code (https://www.yourmechanic.com/article/how-to-read-and-understand-check-engine-light-codes-by-jason-unrau) if there is still a...

Hi Wayne. Thanks for contacting us today. Back in 85, GM V6 motors only had one O2 sensor. It was considered an upstream sensor, which means that it was installed near the center of the exhaust manifold. Downstream sensors were...

If the fuel pump is not momentarily running and priming at key on, then the fuel pump circuit has to be traced to find the power interruption. The recommended service to accomplish that is an electrical circuit/component diagnostic (https://www.yourmechanic.com/services/electrical-components-are-not-working-inspection). With...

Hi! I recommend having a close inspection of the harmonic balancer on the front of the crankshaft. When the rubber that's bonded between the pulley and the hub begins to fail and separate, it starts to move around and can...

Hi there, thanks for writing in about your 1994 Oldsmobile 98. To start, I would first visually check to confirm that the coolant level is actually staying at an appropriate level and the problem is really fixed. This can be...