1990 Lexus LS 400 "cats system" Questions

system they sound like they need replacing OK IF CATS ARE GETTING THAT HOT YOU DONT HAVE FLOW. THEY WILL NEED TO BE CHANGED BUT YOU REALLY NEED TO FIND OUT WHAT DID IT TO YOUR CATS MOST THE TIME ITS A

i have a 1996 lexus 400 LS. My check engine light came on .thay said it my p 0420. can you help me. P0420 is "catalyst system below efficiency". It means that the car thinks a catalytic converter is ...

my check- engine light kept come on. I have taken to the shop over and over i get car on thursday drive it 2 day and the light is back on. it back in the shop for a nother week they drive around we ...

...CATS. It would be reasonable to say older cars fitted with power-sapping air injection systems hardly need a CAT because if the air system is working efficiently it is hardly going to leave enough ...

cats are rattelling need good after market set there are lots of good aftermarket exhaust systems, but will all be cat back systems, you may be able to take it to a muffler shop and have them put on ...

I put a Cal emissions o2 sensor in my 99 Jeep Grand Cherokee, which after the fact I saw it was I fed emissions Jeep. Would I still c signs of bad o2 sensor The post-cat O2 (emissions) sensor reports ...

I have 99 bmw 323i.i ran it hot and got prob fixed and now the eml and a triangle with circle around it comes on dash and car has no power.feels like it has a rev limiter.wats wrong with my car have ...

...cats. that give you better performance than the original YES U MUST KEEP THE CAT, IF YOU REMOVE IT U VIOLATE STATE AND FERAL EMISSION SYSTEM TAMPERING LAWS, THE CAT MAKES LITTLE OR NO DIFF AS FAR AS ...

...and suitable software to switch the system off or fit proper CATs struts. If your car still has a significant value fitting the non-CATs struts has probably reduced the resale value by quite a

new exhaust no cst converters chanch sensors twice problem stay p0420 you will need a cat converter to make the system work properly code p 0420 refers to cat converter system bank 1-efficiency below ...