i was driving today, and suddenly my car started to shake then my rpm start droping on idling from 800ish - 400-500rpm. Then when i start to gas it again, my car have some funny sound, and my car wont go when i start pressing all the way down on gas pedal. I mean it go but it hella slow. Man this suck, does any1 what going on with my car.

 

well it could be fuel pump is going bad but not really sure from what you said what is the sound like and where is it coming from and welcome to club lexus

 

i started up my car again, it seem like it having a hard time cranking but it starts. then when i take it for a spin, when i put on acceleration the car dont push, it slowing accelerate and my rpm is at 6 and i was still doing 20mph. still have that funny sound coming out from my exhaust. any1 got any advice, maybe it the fuel pump cuz i was driving my car on E all the time. but at the time of the incident i got half a tank left. i dont know need help!!!!!

 

is it in limp mode?

 

Sounds like a bad box (trans) to me. Be sure and check the fluid.

 

i was over at blaznsc400 house today tryin to find out whats wrong. the car does start up but sound as if it was only a 4 cylinder. so was check all the plugs. looked hella old so we change them. the cap and rotor was OK. didnt work. the fuel pump should be ok cause gas was still going to engine cause car still starts. thought fuel filter might be clogs so we changed it.. but still didnt solve problem we took it to a friends shop and he looked at it for awhile and saw that the cats were glowing red. the previous day blazn was driving around in the rain when all of this started. so we think it could be hydrolock or something. took it back to the house drain all the oil and putted every plug put and took a vaccum cleaner to it to suck some water oout but the car still doesnt run right. NEED HELP

 

How much did you pay for your car...

 

If it's the trans he still has the other issue with the strange exhaust noises.
O2 sensors shot?

 

Hay you said the cats were glowing red. That is a sign of bad cats. The cats stone has came undone inside. This is what I think is wrong. The cats are gone and not letting the car breath. Take it back to your friend and have him take both cats loose or better jet lift the car up and check for rattle in the exhaust around the cats. You
should hear something moving inside the cats

 

i have the same problem as this.... please help us out CL. if its the cat. how much would it cost to replace new ones at the shop?

 

i also have to add that the engine sounds likes it miss firing and that the crankpulley is leaking oil. could it be that the engine is blown??? all this because of driving in the rain.
????????????

 

Check both coil packs first. Common and easy fix. If the engine sounds like it's only running on half the cylinders, this usually the issue.

Next, there have been other issues with people's cars and glowing cats. Search yielded this.

https://www.clublexus.com/forums/sho...t=cats+glowing

 

Thanks guys. changed the coils for my friend and it runs perfect again.

 

Hey Jimbo! Hows it going? It does kind of sound like hydrolock but how would it have gotten this way? Are you running a cold air extension like mine. Mine almost scrapes the floor. If it is hydrolocking then just run it on first gear for a good mile. After that just bring it back home and let it rest over night. All the heat produced from running it at a high rev on that first gear should cause the remaining water in the motor to evaporate and get the hell out of there. In the morning when you go turn your car on it should be running fine and dandy. You say you guys already tried replacing the spark plugs. Thats good but have you replaced the wires? When they get old they start to crack and gash up leaving you little gaps. It happened to me one time. I learned the hard way when a friend of mine had steam cleaned my engine bay. Water had gotten through and my SC sounded like an STI.

 

Good to hear you got it running fine. Is this an SC400?