CORR VR 0 Posted May 20, 2005 Report Share Posted May 20, 2005 Ive suspected something is up with my corrado for a little while and I have changed numerous parts to cure the niggle. The problem is that while the idle is steady its not silky smooth as it was a few months back, ive also noticed a slight pop when reved to just over 2000 rpm from the exhaust. I dont recall this before. I have had the diagnostics checked with no faults, ive had the coil pack, Ht leads, cam sensor, engine speed sensor, spark plugs, head gasket and water pump changed in the several months leading up to this.Has anyone had a similar problem? Cheers. Link to post Share on other sites
Eat this 2 Posted May 20, 2005 Report Share Posted May 20, 2005 it sounds like ur nit pikkin personally i dont know of any vr that idles perfectly mine doesnt and its sweet as a nut Link to post Share on other sites
acf8181 0 Posted May 21, 2005 Report Share Posted May 21, 2005 with an obd1 car the first thing to do is clean the isv with any stutter or poor idling problem....it may take a few cleans to perfect it. use carb cleaner, and clean the TB whilst you're at it. Link to post Share on other sites
CORR VR 0 Posted May 21, 2005 Author Report Share Posted May 21, 2005 Cheers fellas, I am probably nit picking but I dont remember it being like it when I had it for the first few months. Maybe it was just the excitement of owning it. I have also noticed a slight hesitation on the throttle and it doesnt feel as torquey at low revs as it did a few months back. Link to post Share on other sites
fabio_vr6 0 Posted May 21, 2005 Report Share Posted May 21, 2005 i got the same problem!! Link to post Share on other sites
acf8181 0 Posted May 21, 2005 Report Share Posted May 21, 2005 Cheers fellas' date=' I am probably nit picking but I dont remember it being like it when I had it for the first few months. Maybe it was just the excitement of owning it. I have also noticed a slight hesitation on the throttle and it doesnt feel as torquey at low revs as it did a few months back. [/quote']yeah, i'd say clean the TB and ISV with carb cleaner...should hopefully sort it out. Link to post Share on other sites
doxer79 0 Posted May 25, 2005 Report Share Posted May 25, 2005 sorry to sound dumb but whats the ISV ? sound like whats my car is doing Link to post Share on other sites
acf8181 0 Posted May 25, 2005 Report Share Posted May 25, 2005 idle stabilisation valve...is to the right of the TB...but only on obd1 cars. mine needs a clean as well...haven't got the time tho. Link to post Share on other sites
doxer79 0 Posted May 25, 2005 Report Share Posted May 25, 2005 what does it looklike? how much is a new one? sometimes when my vr is just idling on my drive it sits at 500 then just sort of jumps 1000 would this have anything to do with this ISV? Link to post Share on other sites
acf8181 0 Posted May 25, 2005 Report Share Posted May 25, 2005 yep, poor idle is usually the ISV.don't buy a new one, just give the current one a good clean with carb cleaner (sometimes takes a few cleans to get it perfect)its a silver cylindrical thing, next to the black plastic virbation damper. Link to post Share on other sites
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