sha4000

Those plugs don't look that good so I can see why they might have been giving you problems. There seems to be a lot of carbon build up on them and they also look wet from oil maybe. You might have other underlying issues that are fouling the plugs over time.

There's no button on the 98 shifter knob.

It might be slightly different on a first gen car in that respect but I could not really say. The instructions that I have been giving relate to the second gen cars but should be close enough to follow.

Here are 2 good pics of where the velcro strips are on the drivers side. A member posted them in relation to something else but should work for your purposes.

Just push the carpet down by the bottom of the pedal and try to get a good look to see if there are threads. If there are you probably have some bolts if not the pedal most likely just pops on the balls like my 98 does. Once I figured out i had the balls I just put a small pry bar under it and pried the pedal off. I thought I was going to break something but it ended up ok. I made sure to grease those balls before I put the pedal back on .

1. You have to really bend the carpet to get it underneath the parking brake. It is stiff and will bend. 2. This should help you with the gas pedal. http://www.clublexus.com/forums/ls400/674553-question-about-removing-carpet.html 3. You have to pull the carpet from underneath the foot well once you have the gas pedal off, I have a 98 but I can't see it being much different on your car. It takes some time and you have to wiggle s lot but it will come out. Just pull it back to the seat and then you have to remove the plastic vent underneath the carpet because the plug is routed underneath them. 4. don't worry about the clips for the mat. They are a part of the carpet and not attached to anything else. PASSENGER SIDE 1. Yes you have to remove that lower cover to create room to pull the carpet forward. I believe there are a couple of screws holding it on but make sure to unlock the bulb before you pull it out. 2. I told you that the only thing holding the carpet in place are velcro strips, you just have to bend and wiggle the carpet out. 3. See 4 above.

Look i the junk yards. It;s going to be hard to find one though. http://www.car-part.com/index.htm

Most ppl just bend that bracket back to create enough room to pull the fan bracket off.

Good job so far. That belt is crazy and so is the radiator lol.

Check this out. http://www.clublexus.com/forums/gs-first-generation/725746-code-dtc-12-cel-on-rpm-signal-help-please.html But you more than like might need a new sensor.

Here's the pics you requested. The first is the location of the drivers side downstream sensor. The second is the passenger and the third is a pic with the scuff plate rim removed. I used white so it would be clear against the black background. You can clearly see the holes that the clips pop into.

Have you done an oil change recently? The reason I ask is maybe the filter is not on there tight enough. I had that happen and it threw some oil around. If not that check your oil pan bolts to see if they stay dry after you clean it up.

Are you sure the sensor is good?

You might have to go aftermarket for the bumper cover.

The jolt might be the tranny mount. I used the method of removing the line to the cooler on the bottom of the radiator to flush mines out 8 years ago and will be doing it again real soon. It's really your call but if it were me I would get that fluid out off there. As you already know there are plenty of ppl that sit on both sides of this fence.

www.car-parts.com though it's going to be hard to find that front bumper.

Was your car by chance fitted with one of those K-40 radar detectors?

So are you saying that you rebuilt this transmission when you changed the seals???

here you go.

Paul has found the correct sensors for your car and they are Factory OEM sensors and I believe he answered your question about why the prices vary btw aftermarket and OEM. If your willing to splice and re-wire the connector which is not terribly hard but you do have to do this underneath the car since there is no way to remove them, then re-wire and replace unless your going to tear up the boot that plugs the hole in the floorboard that they go through If it is the downstream sensors. It is obvious once you pull back the carpet since the plug for the sensor sits right on the of the radio. The upstream ones should be easier to fit the aftermarket ones since you should be able to unplug them and then remove them to do the work.

Other than the 98 being the first year and all the issues which probably are not that many being worked out the next year I would just find the cleanest one in my price range. The differences are not major.

The question now is " Where is the wire to the connector "?

That looks like the crank sensor.

It did the same thing to me the first time I cranked it also but has been good ever since. I can't help with the actuator at this time.

First read this tutorial and bookmark the site for future repairs. http://www.lexls.com/tutorials/EFI/mainoxygensensor.html Second whether it's the upstream(before the catalytic converter) or downstream ( after the cat ) you should be looking at the Denso sensors on rock auto. If your in reasonably good shape and have a jack, jack stands a ratchet and sockets I would recommend you do it yourself and save the money. I must warn you though that the downstream sensors require you to pull back the carpet in both driver/passenger foot wells to get to the connectors but if you read the tutorial you already know this, good luck.