Spoon_tuned Posted December 20, 2013 Share Posted December 20, 2013 (edited) Hi guys im having an issue with my gt idling at 1800 rpm and ive noticed the cat only has one plug on it and a spark plug screwed into the other hole i found that sensor in my glove box do i need to plug that back in??? Edited December 20, 2013 by Spoon_tuned Quote Link to post Share on other sites
Spoon_tuned Posted December 20, 2013 Author Share Posted December 20, 2013 Plus i have like a whining whistle noise coming from the engine i suspect a vacuum leak is the cause but im unsure... Plus i have like a whining whistle noise coming from the engine i suspect a vacuum leak is the cause but im unsure... Quote Link to post Share on other sites
turbo Grant Posted December 20, 2013 Share Posted December 20, 2013 O2 sensor is the one closest to the turbo. Best to have it in there. The bottom one is a cat temp sensor. Try planking the pcv valve off. They can cause a high idle when broken. Quote Link to post Share on other sites
Spoon_tuned Posted December 20, 2013 Author Share Posted December 20, 2013 O2 sensor is the one closest to the turbo. Best to have it in there. The bottom one is a cat temp sensor. Try planking the pcv valve off. They can cause a high idle when broken.Ok thanks mate ill try that Quote Link to post Share on other sites
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