XU7JP4 Hard to start and wont rev

[Grant]

As in title really, the new fire ring on the exhaust is on, and now it is a bitch to start and will not rev over 2.8-3k rpm. I thought it was ecu settings to begin with so left battery off for 45 mins but this made no difference...

I'm thinking blocked cat?

Any ideas anyone?

[4WayDiablo]

sounds like something is blocked in there, is it hard to rev it up to that rpm?

[Grant]

Yeah, can't just slam the TB open, have to sneak it up to revs...

[samass]

Knocked the lambda sensor wiring or anything?

[4WayDiablo]

i take it it doesnt limiter bounce at 3k? when was the last time you had the exhaust renewed?

[Grant]

RAC have just left. Wouldn't normally call them but the car was nowhere near home....

Turned out to be a blocked cat. Going for a new one to Longlife tomorrow :heart-attack:

Would replace it myself, but the old cat is welded to centre section and I don't have a welder... Unless someone wants to earn some dollar? Lol

Thanks for the input guys!

[Ruan]

Why don't you just take it off and crack out the jack handle and a sledge hammer, and smash it all out.