1987 chevy cavalier,2.0 liter eng., 2dr. 4 speed manual, check eng. light comes on when I come to a stop for several seconds i.e traffic light. It goes off after I resume traveling. I changed the 02 sensor,light still comes on. Sometimes garage has a sulfery smell after I park. Car has less than 50k miles. I can't get it to pass inspection with the light on.
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There is no dipstick for the newer model Automatic transmission Cavaliers. There is only a red fill cap on the driver’s side on top of the transmission. The only way to check it is to jack up the car, making sure it level with a jackstand on each side of the car, and remove a small plug from the side of the transmission, underneath the car. It will be small and in an American size. It is either a 3/8" or a 7/16" size plug. Once it is removed, fluid will drain out if it is overfilled. Once there is no more fluid coming out, it is at it's proper level. If there is none coming out, then add more until it comes out and levels off. It has a capacity of about 11 quarts for the 4 speed models. The 3 speed models have about 7 quarts. The dipstick for the 5 speed manual transmission is located on the back side of the engine. It will have either a white or yellow handle. It holds about 2 quarts of syncro-mesh transmission fluid. It is important that this fluid is used for the manual or problems will occur.
You can use Dexron II or Dexron III, but you can also use the improved Dexron VI which replaces both the afore mentioned fluids. Use Dexron VI as it is an improvment. Caution: Do not overfill. Check fluid level according to the instructions in your owner's manual and make sure the car is parked on a level surface or you will get a false reading.
Take your vehicle in immediately. If this many lights are coming on, it
could be a problem with the computer. Worse yet, it could mean:
1) your ABS isn't working
2) you could have serious engine problems
3) You could loose your braking
The brake light comes on for two reasons - the e-brake is on, or there
is a problem with the braking system. If your e-brake is off, worry.
Drive slowly to a repair shop you trust and get diagnostics run on it. Go from there.