I replaced my headlight today, was really hard but I got it done. To my surprise, when I went to start my car it turned over then died. A gas smelled followed with a slight hissing. I also worked on my intake today because there was a leak, but I don't see how that's related? Maybe a fuel pump relay? She doesn't seem like she is getting fuel and dies!
View 14 RepliesI had to replace the ECU on my 2002 sc430. Although the original ECU was malfunctioningthe car started and was drivable (but the speedometer and odometer did not work, nor did the power steering). Following installing a used ECU, the car will now not start. I reset the ECU following the directions posted by others in this forum (both the gas pedal method and removing the fuses), but that has not fixed the problem. Do I need to have the dealer sync the key to the new ECU?
View 6 RepliesI noticed the light below which seems to be a headlight self leveling error appear today. I know it came on a while back and disappeared butt the place its located is unnoticeable as its in the top corner and you have to tilt your head to see it so not sure if it came on many times.. But yeah I saw it today while waiting for my turn at the car wash since it was nice and sunny out and I leaned over to pull the foot brake release then saw it... It seemed to disappear a few minutes later.. then I stopped somewhere, came back started car and same thing and then it disappeared again. A while later it came on stayed on..
what could it be? I am aware that there maybe a 2 sensors, one in front and other in rear axle? I also know there is a module for left and right side... I am wondering what it could be, but I haven't got the code read yet..
Because I don't have repair manual, so don't know how to remove the headlight ,
View 1 RepliesI have a 2007 and lately the driver's side headlight goes out sometimes when I'm driving. If I turn the lights off, and then back on, it will light up again and stay lit. Sometimes it will work for weeks and then all of a sudden it will go out. So I'm thinking of replacing the bulb(s)
Are the headlight bulbs in the 2007 SC regular light bulbs that I can purchase at a local automotive store?
On my 2007 SC 430 I have a passenger headlight that appears to have a mind of its own. It works intermittently. I know that it is programmed to go off when the car is in park, but that is not what I'm talking about. When I start the car after dark both sides will be on but at some point the passenger side will go out, not all the time, but quite often. I have checked for loos wires but have not found any.
View 4 RepliesMy friend with a 2007 SC430 has been having weird electrical issues for the past few years. He's owned the car about 6 years now, and probably 3 or 4 years ago things seem to have started acting up:
- the car burns out headlight and foglight bulbs very often, usually after less than a year since they are replaced. It hasn't mattered if the replacements he tries are OEM Lexus or aftermarket, they burn out within a year or so - sometimes within only a few months. He previously owned a 2002 SC430 for about 4 years and never had to replace any bulbs. On the 07, it's usually always one of the driver's side bulbs that will go first, and then within a month or two the passenger's side goes. Sometimes a headlight goes, then the foglight on the same or opposite side goes. Other times a fog goes out and a short time later the headlight on that side goes out.
- his driver's seat heated seat stopped working earlier last year. First the "bottom" stopped working, then a few weeks later the "back" section stopped too. Lexus diagnosed blown heating elements, which can't be replaced without replacing the entire section of the seat. So he found a complete seat from a wrecker and swapped it in. Everything worked fine for about 3 months, and now he is back to no heated seat again (this time both the back and bottom sections stopped working at the same time)
A Lexus dealer spent 4 hours "diagnosing" the car and came back saying all electrical systems are normal, so they can't say why the bulbs are always burning out or why two different seats have stopped working. The car is getting up there in mileage (closing in on 200K miles) but has always been properly maintained.
Very much enjoying my newly acquired CPO sc430 but there's a strange thing that I noticed: When I go over a short-bump or hit a patch of broken pavement, the driver's side headlight seems to flicker for just a split-second. Sometimes it even seems like the other one flickers too. What that can be? Is it normal for this car?
Also, my car has the dreaded brake-clunk that has been discussed in this forum ad nauseum. Is it worth taking it to the dealer even assuming they know how to adjust the clips and grease the system to get rid of it? How long does the "fix" last? I had a 2004 acura TL that did this from day 1 but only on the initial brake application after starting the engine. The SC does it every time I shift from D into R etc.
My friend with a 2007 SC430 is having a recurring problem with his passenger's side headlight. The HID low beam keeps periodically going out, then will start working again. When it isn't lighting up, it's doesn't work on either the low beam or the high beam settings, while the driver's side lamp is working fine (driver's side low beam lamp is on with high beam lamp when high beams are engaged, and driver's side lowbeam lamp on as normal with low beam engaged).
He has replaced the passenger's side bulb with a Lexus OEM purchased from a dealer back in November which seemed to fix things for a while but now the problem is back again.
What the cause(s) could be and how to troubleshoot? He previously owned a 2002 SC430 for 6 years and never once had any headlight issues or even had to replace any bulbs, and the 07 is giving him this grief now after barely 3 years of owning it.
I have a o3 sc430 that's driving me crazy I have replaced the 02 sensor on my car three times and the cars vsc and check engine light comes back on after driving less then a mile. If I really step on the gas it'll come on faster. Where should I look for a vacuum leak? The mechanic says it could be electrical problems too...
View 14 RepliesOne of many issues I need to fix - headlight washer fluid cover seems to be stuck open. i applied moderate force to push it back in, but it did not move, and i do not want to risk breaking it.
I'm thinking some wiring isn't right, maybe connectors never got reconnected.. the auto adjusting headlights don't work either, and the washer fluid line from the firewall that runs to the washer fluid tank was hastily crimped on due to the plastic hose fitting being most likely broken off or lost. Does the bumper need to come off to mess with it? guessing yes.
I am stationed in Europe at the moment and my wife has been driving my car.
She last drove it a week ago and when she got in to drive last night it would not start - Not even a "click". Interior lights worked, radio etc.
Could be the battery of course with not enough voltage threshold to even engage starter solenoid.
But I was looking for other things she could check before I come back in 3 weeks. I will deal with a battery replacement then if required.
She confirmed car is in "park".
Just disconnected battery to give a full charge because car sat for the winter and hood was propped open which killed the battery. Meanwhile I reconnected the battery and only the lights will come on. The car will not start with key in ignition. Don't know if there is a security issue or just what.
View 11 RepliesWhen starting your SC on let's say a day where the temperature is 35 - 55 degrees, what is your initial idle RPM?
Next, how long does it take to settle down to a lower RPM and what is lower RPM when the car is still in Park?
Lastly, can tapping the gas pedal after initial start-up bring the idle RPM down while the car is in Park?
When I start my 2003 SC430 I hear this screeching noise. It sounds like it is coming out of the dash but it may be under the hood because my neighbor heard it outside the car.
View 9 RepliesI have a 2003 430 with 110K miles. Car would not start this morning. It cranks so it appears the battery and starter are fine. Battery was changed last winter. I had the timing belt changed at 80k. Its been a great car with very little problems.
View 14 RepliesHaving issues starting the car when it's cold. Sometimes it takes me 2 or 3 tries to crank the car.
View 14 RepliesGot in the car today, 2002 SC430, turned the key, car cranked and cranked but no start. I'm guessing I'm not getting fuel. How do I troubleshoot?
View 6 RepliesSC430 with 104k miles on it
Went to start her up today. As I began to turn it over--nearly immediately--I heard what can only be described as a thump followed by whirring. (I'd like to believe the thump was related but cannot be certain). Tried to start again, only very briefly, and all I could hear is that "whirring". It will not turn over and I'm hoping that neither attempt damaged anything.
If I had to guess, I'd say the timing belt snapped immediately as the starter was beginning to turn over the engine. Is there a relatively quick way to diagnosis this without potentially damaging the engine any further? An access port/hole or cover I can see through or remove to determine if the belt is snapped? What else could it be? Starter solenoid failure? That would certainly be easier to diagnose.
I have had my '02 SC since 2007 and frequently when I turn the key to start, I hear an instantaneous "electronic click" sound. I have ignored it and no service person has ever mentioned it, nor have I requested a Lexus diagnosis.
View 2 RepliesI have an interesting automatic transmission problem. Hot or cold makes NO difference. When the car is started, put in reverse it will work perfectly 100% of the time. When the car is started, put in Drive the transmission will slip for about 5-10 seconds before working perfectly. When the car is started, if you wait 3-5 minutes, then put it in Drive it will work perfectly.
View 13 Replies