Hello there, thank you for asking about your 1998 Oldsmobile LSS. The first thing to have checked in a situation like this is the transmission fluid level. Using the directions laid out in the owner's manual, inspect the transmission fluid...
Hi there. The glow plug light comes on when the computer is detecting an issue with the glow plugs to the engine. There are stored codes and pending codes. If the light goes out after turning the key off and...
Hello, thank you for writing in. The hood should technically fit. Some replacement hoods for the 1999 say they will not fit the 2000 model, but they should be the same. The first thing you want to do is look...
If your engine was overfilled with oil then you will need to check for any oil in the intake air filter. After running the engine for a little bit, check to see if the oil is getting full again and...
Given the age and mileage, you might want to start with a basic cylinder compression test to see what the mechanical condition of the engine is. Although there are many possible causes of the power loss you are describing, a...
Hi there, thanks for writing in. Most truck lock cylinders can only be accessed by removing the rear seats, the trunk cover and crawling inside the trunk or contacting a locksmith to unlock the trunk from the outside. As far...
Considering that all those parts were just replaced I would recommend retracing your steps to determine if any loose connections exist anywhere. If the battery connections are loose this can cause the vehicle to make a click sound but not...
This may indicate a failing speed sensor. The transmission speed sensor is a magnetic sensor that provides information related to the speed of the input and output shafts in the transmission, allowing the transmission to shift smoothly. The sensor counts...
This is normal when the AC is on. The air conditioning compressor requires torque from the belt system on the engine to power it. When the AC is off, the compressor clutch does not activate, meaning the AC is not...
Most of the time, this is caused by the caliper sticking, or the slide pins freezing up. There is a return valve in the master cylinder that could be plugged partially, but that is not common. Is is also...
There can only be two ways the oil is getting on the spark plug. The piston oil control rings are stuck or broken and letting excess oil into the cylinder. The intake valves seals for the cylinder...
If the starter motor itself is not functioning (i.e., no engine cranking), then the starter circuit has to be diagnosed. If the starter motor is functioning, but the car is not starting, you could have a circumstance where the fuel...
To read the flash codes, make sure you have a clean and stable chassis ground or the codes will not flash. If there is a secure ground and no flash codes, then it is quite possible that this is an...
Hey there. The engine computer will limit the maximum RPMs your engine will go before it limits it from over revving. This limit will feel like a sudden loss of power with the power then coming back. Revving the engine...
This is a common symptom of a failing mass air flow sensor or faulty throttle position sensor. The mass air flow sensor regulates the air flow into the intake system as it is mixed with fuel prior to being injected...
If the defect is in the lower pan, you need only remove the lower engine cover. If the upper pan is damaged and has to be replaced, you'll need the Service Manual as removal of the upper pan is a...
If you step on the brake pedal and it feels soft or drops to the vehicle floor, air has entered the system. However, if the brake pedal is hard and difficult to depress, the power brake booster may be at...
Hello and thank you for contacting YourMechanic. Sometimes the gas cap vent tends to get stuck shut making the fuel system go into a vacuum. Check the gas cap for the seal to ensure that it is sealing. Make sure...
The issue you are having sound like either the throttle is not returning to a closed position or your transmission went into overdrive lock up when you let off of the accelerator pedal. Contact YourMechanic to go through a thorough...
Hello. Anytime you have a warning or error light illuminate, it's due to an error code being triggered and stored inside the ECU of your Hyundai. The best way to diagnose exactly why this happening is to have a local...
There are a few common causes of the transmission shifting like this. They include the transmission fluid level being low, transmission shift solenoid, or the transmission torque converter. Any of these can cause harsh shifting that can be intermittent. I...
Check for proper advance of ignition timing. In particular, verify that advance curve you observe matches factory spec. Measure fuel pump output/pressure against factory spec. If engine compression is good and balanced, apart from timing check and fuel pressure check,...
