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rich07
Newbie


Joined: 07 Oct 2018
Posts: 17



PostPosted: Mon Apr 08, 2019 7:28 am    Post subject: rising idle Reply with quote

Hi guys, my 94 993 has had some rising idling problems recently, to be more specific, it's had a rough idle, hunting and sticking/rising idle from cold. So far i have cleaned the ISV and replaced the DME relay. So now it's not hunting, the idle is fine if you rev the throttle but if you accelerate hard when you come of the gas pedal it will stay up in the 2 - 3000 rev band.Bit embarrassing sitting at the traffic lights.lol

The car has had very little attention by the previous owner of 8 years as they felt it had only covered on average 1k a year so assume nothing has been changed in that period plugs, leads etc....

Thanks Rich
 
  
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Cameltoe & Heel
Barcelona


Joined: 26 Jan 2009
Posts: 1327
Location: Preston - Lancs


PostPosted: Mon Apr 08, 2019 10:45 am    Post subject: Reply with quote

Check your accelerator cable if free and not sticking, ensure it's returning nicely as you roll off.

Trev
 
  
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Endoman
Barcelona


Joined: 11 Apr 2011
Posts: 1371
Location: Bolton U.K.


PostPosted: Mon Apr 08, 2019 12:59 pm    Post subject: Reply with quote

What Trev said and have a look at the throttle pedal and linkage, check for errant mints, coins etc which may have rolled there.
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Cameltoe & Heel
Barcelona


Joined: 26 Jan 2009
Posts: 1327
Location: Preston - Lancs


PostPosted: Mon Apr 08, 2019 2:48 pm    Post subject: Reply with quote

Endoman wrote:
What Trev said and have a look at the throttle pedal and linkage, check for errant mints, coins etc which may have rolled there.


yes pull the pedal board out and inspect, it can get quite manky under there.

Trev
 
  
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rich07
Newbie


Joined: 07 Oct 2018
Posts: 17



PostPosted: Mon Apr 08, 2019 11:24 pm    Post subject: Reply with quote

Hi guys, took her out again today for a fairly long run, idle slightly better but still sitting at 1200 when warmed up, will check under the pedal etc, thanks
 
  
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