VR4 running rough

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aussievr4

Well-Known Member
Joined
Jul 24, 2008
Messages
71
Location
Perth, WA
Hi all firstly I will admit I dont know a heap about cars but I guess you have to start somewhere. Anyway the main problem I am having with my galant at the moment is that it is running really rough and is kind of hesitating, more noticibly in the lower rev range however it seems to be some what of an intermitant problem.
The problem seems most noticable in hot weather and will pretty much run horrible anytime during the day and being that Perth has had alot of hot weather that is pretty much all the time. As I said before its not consistant as last night I took it for a drive and it seemed to be running fine then today on my lunch break i went for a drive (ran terrible) hopped back in 5 minutes later and it seemed ok again.

I was originally going to take the car somewhere to get it tuned as my car is a 91 aus spec vr4 and it was running a bleed vavle with a fuel regulator (@18psi) which I thought may have been the cause of the problem but I have since removed them so the car is back to stock except for a K&N air filter.

If anyone has any ideas of what it might be or where I could start looking it would be greatly appreciated.

Thanks
 
possibly a crack in the exhaust manifold or wastegate housing. i had similar things with mine years ago. sometimes it would spool up and run hard other times felt like a truck
 

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