Ford Sierra/Sapphire/RS500 Cosworth This forum is for discussion of all things pertaining to the Ford Sierra Cosworth.

Co. up & down

Thread Tools
 
Search this Thread
 
Old 07-09-2010, 05:33 PM
  #1  
MARCOSWORTH
PassionFord Post Whore!!
Thread Starter
iTrader: (24)
 
MARCOSWORTH's Avatar
 
Join Date: Dec 2004
Location: Nederland
Posts: 4,459
Received 10 Likes on 9 Posts
Default Co. up & down

Having some probs with the Co. as it's going up and down, have checked lambda but it's ok, what else is first to check???

Thanks in advance
Old 07-09-2010, 05:49 PM
  #2  
martysmartie
PassionFord Post Whore!!
iTrader: (1)
 
martysmartie's Avatar
 
Join Date: Dec 2007
Posts: 8,460
Received 103 Likes on 101 Posts
Default

Air leak perhaps?

Martin
Old 08-09-2010, 04:57 AM
  #3  
MARCOSWORTH
PassionFord Post Whore!!
Thread Starter
iTrader: (24)
 
MARCOSWORTH's Avatar
 
Join Date: Dec 2004
Location: Nederland
Posts: 4,459
Received 10 Likes on 9 Posts
Default

Crossed my mind, will check some things today
Old 10-09-2010, 05:45 AM
  #4  
MARCOSWORTH
PassionFord Post Whore!!
Thread Starter
iTrader: (24)
 
MARCOSWORTH's Avatar
 
Join Date: Dec 2004
Location: Nederland
Posts: 4,459
Received 10 Likes on 9 Posts
Default

All sensors seem ok, only i've noticed that with the lambda sensor connected the car idle's erratic and with the sensor unplugged it idle's perfect at 950rpm

How's best to check for possible airleaks, and are there any common places for airleaks??

Last edited by MARCOSWORTH; 10-09-2010 at 05:47 AM.
Old 10-09-2010, 06:13 AM
  #5  
chaffe
Turbocharging Technician
 
chaffe's Avatar
 
Join Date: Jul 2010
Location: Top secret. Mission:Imposible.
Posts: 3,557
Likes: 0
Received 0 Likes on 0 Posts
Default

maybe check the wiring/ earth on the lambda mate

Last edited by chaffe; 10-09-2010 at 06:16 AM.
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
tlr_rst
Ford Escort RS Turbo
4
26-03-2014 10:39 PM
seand
General Car Related Discussion.
10
29-09-2006 11:22 AM
Paul Eggleton
General Car Related Discussion.
5
04-10-2004 01:01 PM



Quick Reply: Co. up & down



All times are GMT. The time now is 10:59 PM.