Question about 1990 Toyota 4Runner

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Blocked CAT?? judder on low revs.....

I think i have a bloacked Catalytic convertor, i have a peugeot 406 rapier 2001 estate(1.8) and it accelerates fine but on low revs like when your just cruising at 2000rpm with no acceleration it feels a judder, as if the exhaust pressure aint comming out right, but as soon as i accelerate the engine seems fine.

I've had the same problem with a rover years ago and the guy in the garage said it needed a new cat +back box but he simply put a hole in the back box with a screw driver for a temp fix and the car was fine again! i then replaced both but i am wondering will drilling a small hole in the cat or back box temporarily fix my problem?

Can i do any damage by driving the car around with a cat like this?

I only paid £350 for the car and a new cat will cost me £180 fitted so i'm wondering if i can just put a hole in the back box or cat just to stop any damage for the time being until MOT, any tips?

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You will not do any damage to the car driving with a stuffed cat.The exhaust has already left the engine and has left the building.No harm to be done.You said the engine goes fine when you stick the boot into it.Maybe not a blocked cat.Its probably engine tune but a hole in exhaust may get it and you going better:)Have a go mate!Hope this helps

Posted on Sep 04, 2009

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