Idle dropping exhaust leaking

Post by **ddoubledanny** » Mon Aug 20, 2012 10:43 am

Hi everyone just a quick question my lude drops idle while stationary and raises again to normal.When the idle drops it feels like it wants to stall and has stalled once b4, had a quick look and my manifold to downpipe connection is blowing slightly could this be the cause thanks dan

Post by **Merlin** » Mon Aug 20, 2012 10:46 am

Yes exhaust blowing before the O2 sensor is a cause of idle drop. I had it happen to me in my old Lude.

judderod · Post by **judderod** » Mon Aug 20, 2012 10:47 am

Could be, especially if it never does it during warmup.

Otherwise it's probably your IACV.

Tango Tiger · Post by **Tango Tiger** » Mon Aug 20, 2012 11:11 am

Just had the exact same problem. Gasket was split between Manifold and downpipe and had the exact same symptoms.

Post by **rob quilter** » Mon Aug 20, 2012 11:29 am

judderod wrote:Could be, especially if it never does it during warmup.

Otherwise it's probably your IACV.

This.

Post by **Merlin** » Mon Aug 20, 2012 11:31 am

Wouldn't IACV issues cause high idle not low?

Post by **rob quilter** » Mon Aug 20, 2012 11:33 am

Merlin wrote:Wouldn't IACV issues cause high idle not low?

Before I cleaned out my IACV the revs would go high, then dip really low and almost stall, then creep up again. I cleaned it out, issue sorted.

Post by **ddoubledanny** » Mon Aug 20, 2012 11:47 am

Yes it dont do it on warm up so manifold looks to be the problem . Just one more quick question what's better a japspeed mani or a obx r mani thanks dan

Post by **Merlin** » Mon Aug 20, 2012 11:52 am

Even then warm up issues are normally FITV and not IACV.

The Japseed is deffo just a SS copy of the OEM manifold, not too sure about the OBX.

littlefeller · Post by **littlefeller** » Mon Aug 20, 2012 12:04 pm

mine had this issue around 3 years ago, felt like it wanted to stall, idle would drop to near 0, exhaust was fine, well sealed but then the problem dissepeared not giving me a chance to sort it, does anyone else have a lude that fixes itself (this isnt the only time it has fixed itself)

if i remember correctly i read a thread of common lude faults and the idle problem was common, usually iacv or something like that, most common cause was a blocked or partly blocked pipe some where on or in the iacv