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toxo
Posting Freak
4,843
03-08-2018, 05:03 AM
#21
Sounds like zorst off time to me!
toxo
03-08-2018, 05:03 AM #21

Sounds like zorst off time to me!

Sparkystav
Administrator
14,683
03-08-2018, 05:29 AM
#22
4" striaght through exhaust it is then.

get the cat welded with 4" vbands on so you can bolt back in

OutlawJapClub Admin Team
Sparkystav
03-08-2018, 05:29 AM #22

4" striaght through exhaust it is then.

get the cat welded with 4" vbands on so you can bolt back in


OutlawJapClub Admin Team

Phil01
Posting Freak
2,004
03-08-2018, 05:31 AM
#23
It could be a cat melt down as you was cruising at a steady light throttle, this when the mixture weakens off for fuel economy but the disadvantage of this is very high combustion temps and high nitroa oxide levels. so with weak mixture and hi temps i would bet the cats have melted. you did not by any chance observe you air/fuel ratio??
Phil01
03-08-2018, 05:31 AM #23

It could be a cat melt down as you was cruising at a steady light throttle, this when the mixture weakens off for fuel economy but the disadvantage of this is very high combustion temps and high nitroa oxide levels. so with weak mixture and hi temps i would bet the cats have melted. you did not by any chance observe you air/fuel ratio??

Lexusboy
Posting Freak
9,267
03-08-2018, 05:35 AM
#24
OBD will tell you the rates of the sensors
Lexusboy
03-08-2018, 05:35 AM #24

OBD will tell you the rates of the sensors

jimxms
Posting Freak
2,473
03-08-2018, 05:42 AM
#25
Phil01 It could be a cat melt down as you was cruising at a steady light throttle, this when the mixture weakens off for fuel economy but the disadvantage of this is very high combustion temps and high nitroa oxide levels. so with weak mixture and hi temps i would bet the cats have melted. you did not by any chance observe you air/fuel ratio??

Not at tge time unfortunately but the afr is highly erratic at idle now. It's definitely blocked I think. Makes a farting noise when trying to pull away and also there is a lot of powder residue in the exhaust tip
jimxms
03-08-2018, 05:42 AM #25

Phil01 It could be a cat melt down as you was cruising at a steady light throttle, this when the mixture weakens off for fuel economy but the disadvantage of this is very high combustion temps and high nitroa oxide levels. so with weak mixture and hi temps i would bet the cats have melted. you did not by any chance observe you air/fuel ratio??

Not at tge time unfortunately but the afr is highly erratic at idle now. It's definitely blocked I think. Makes a farting noise when trying to pull away and also there is a lot of powder residue in the exhaust tip

Bandit
Posting Freak
6,464
03-08-2018, 05:47 AM
#26
Does sound like the cats collapsed mate, the is200 charged had the same type of problems on some cars, so most removed them? but hope its nothing too serious mate and your back on boost very very soon :thumbup1:

Lexus IS200 Sport Navigator (Now being stripped again) :blink:


Now Don't Forget The REP!!!
Bandit
03-08-2018, 05:47 AM #26

Does sound like the cats collapsed mate, the is200 charged had the same type of problems on some cars, so most removed them? but hope its nothing too serious mate and your back on boost very very soon :thumbup1:


Lexus IS200 Sport Navigator (Now being stripped again) :blink:


Now Don't Forget The REP!!!

Stoney
Posting Freak
2,117
03-08-2018, 05:49 AM
#27
It starting to sound like a cat problem. I've never liked cats!

[Image: tempsig2.jpg]
Confusedad: It was a tough call to make, but the Supercharged IS200 is being retired. Confusedad:
Stoney
03-08-2018, 05:49 AM #27

It starting to sound like a cat problem. I've never liked cats!


[Image: tempsig2.jpg]
Confusedad: It was a tough call to make, but the Supercharged IS200 is being retired. Confusedad:

jimxms
Posting Freak
2,473
03-08-2018, 06:03 AM
#28
Down an exhaust shop now as I couldn't get the bolts undone with the car just on stands.

Had to bring a metal coat hanger tho as they won't fish out the cat for me - will only unbolt it!!
jimxms
03-08-2018, 06:03 AM #28

Down an exhaust shop now as I couldn't get the bolts undone with the car just on stands.

Had to bring a metal coat hanger tho as they won't fish out the cat for me - will only unbolt it!!

speedfreek
Posting Freak
1,338
03-08-2018, 06:08 AM
#29
jimxms Down an exhaust shop now as I couldn't get the bolts undone with the car just on stands.

Had to bring a metal coat hanger tho as they won't fish out the cat for me - will only unbolt it!!

Quality exhaust place you found then! Smile

'99 Lexus IS200 SE Navigator


[SIZE=3]'93 Mazda Eunos Roadster Turbo
[/SIZE]

(Current project)

:thumbup1:Follow us on Twitter and join us on Facebook:thumbup1:
speedfreek
03-08-2018, 06:08 AM #29

jimxms Down an exhaust shop now as I couldn't get the bolts undone with the car just on stands.

Had to bring a metal coat hanger tho as they won't fish out the cat for me - will only unbolt it!!

Quality exhaust place you found then! Smile


'99 Lexus IS200 SE Navigator


[SIZE=3]'93 Mazda Eunos Roadster Turbo
[/SIZE]

(Current project)

:thumbup1:Follow us on Twitter and join us on Facebook:thumbup1:

jimxms
Posting Freak
2,473
03-08-2018, 06:10 AM
#30
Desperate times, desperate measures. Formula one auto center....Sad
jimxms
03-08-2018, 06:10 AM #30

Desperate times, desperate measures. Formula one auto center....Sad

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