20 Most Recent 1998 Lexus LS 400 - Page 2 Questions & Answers

Might have blowin fuse check your fuse box for ant broken ones

Disconnect the battery over night then hook up the next morning and it will reset it. This was the problem I had and it works.

Please follow this link to the site that has definitions of trouble codes and suggested repairs. You do need the full code, the above numbers are not valid codes, need a letter and one more number 0-9

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if you can get the radio out of dash there is a serial number on the top of radio call lexus number in the owners manual and they can retrieve the code or they will put you in touch with tech support. This way you dont have to go to the dealership and pay hefty charge for the two do three minutes work.

Are there any warning lights on in the dash, may a security warning light? If so you will need to reset the security system, refer to the owners manual or callthe local Lexus dealer for instructions.

The sensor is located in the exhaust system just off the exhaust manifold in the head pipe, it is removed using a special 7/8" O2 sensor socket, this socket requires a 1/2" drive ratchet and a short extension in most cases. The sensor unscrews counter clockwise. This engine will have 2 sensors, one for each bank of engine cylinders, you must id the correct sensor before the change out. If money is not a problem i would suggest you replace both sensors as an old and new sensor can provide confusing output data to the powertrain control module(computer).

take lose the hose running to air filter or take the hose loose from the throttle body and pour you a little gas in to the throttle body put the hose back on and try to start it,it should start

The starter itself might need cleaning of old dirt, grease, oil, or crud inside, but I think your starter solenoid is failing. The contacts in it are probably pitted and failing. Those starters are pretty bullet-proof. Don't exchange it for a cheap alternative. Just replace or repair the solenoid.

Vcs means "Vehicle Stability/skid Control".Variable Skid Control is a part of your brake system. It is indicating that it senses a problem with your brake system.Get the car scanned at autozone service center.Its absolutely free at autozone to get car scanned.In scanning it will show the error codes as per that you can get the parts replaced.Also if in scanning,if no codes are shown ,then also get your brake system inspected. ----------- This will help.Thanks.Helpmech.