200sx running issue.

mrnikkk1971

New member
Points
61
Car
celica 2.0 gti 16
hi. have just bought a boggo 200sx s14. low milage. the engine did not like revving above 4000rpm - started to kangaroo . found the manifold was cracked so i sourced a s/s 4 branch manifold and fitted it with new gaskets. although improved, it is still doing the same but around 5000rpm this time. airflow meter is fine, turbo boosting fine.

has any one come across this before and if so, got any ideas what could be the cause????
 
Is the Lamda sensor working? (what year is it?)

Has it been recently serviced? New plugs, fuel filter and leads are generally a good idea but it sounds like a sensor somewhere to me.
 
i serviced it as soon as i bought it. lambda is working......has been tested. car has done low miles- no more than 6k between mot's- and it feels like a back pressure. maybe the cat is blocked. just wondered if anyone had come across this. its a 95 s14 with sr20det. car was owned from new by a pensioner so i doubt its ever been above 3k rpm...lol
 

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