Best Answer Nu2mini , 16 August 2017 - 01:25 PM
When you've changed the Pipes I'd also recommend you check the vacuum servo on the air box. To do this take the car for a run until warm, then leave the engine running. Carefully insert a long screw driver or similar into the intake in the air box. When warm the 'Probe' should freely pass into the air box. Insert the probe gently. If you hit something halfway along the intake the butterfly flap is not opening and you are drawing warm air in from the exhaust manifold (5 on the diagram). A common fix to this is to unplug the vacuum pipe (Yellow) off the top of the airbox and plug the end of the pipe. You can leave the airbox end open. With this configuration the servo should not operate the butterfly which should stay permanently open. I run my car permanently like this
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Up Into Fourth
Posted 03 March 2019 - 11:36 AM
Edited by bpirie1000, 03 March 2019 - 11:39 AM.
Learner Driver
Posted 05 September 2019 - 10:26 AM
One Carb Or Two?
Posted 06 September 2019 - 09:07 PM
The catalyst needed replacement -£32 on eBay. Put a car thermometer on it after a hard run -it was only warm should be very hot. Passed mot no trouble. Seems if the car stands around the cat never gets hot enough and fails internally.
Hi,
What you'll find is as the car was running rich due to the vacuum pipe problems it will have contaminated the cat, nothing to do with it standing.
Cheers :)
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