leon1986 Posted May 10, 2014 Share Posted May 10, 2014 Hi guys I have just fitted a magnex sports cat with a 3" stainless centre section, since putting it bk together it will sit and idle no problems bus as soon as I put my foot down it stutters and nearly stalls. I have checked hoses for air leaks and also checked to maf, could anybody shed a bit of light on what's happening as I am stumped like I said only the exhaust has been replaced. Quote Link to comment Share on other sites More sharing options...
savage bulldogs Posted May 10, 2014 Share Posted May 10, 2014 Have you checked the o2 sensor and wiring/plug near the clutch slave cylinder ? as you might have damaged it or have a loose connection when swapping the downpipe over Quote Link to comment Share on other sites More sharing options...
leon1986 Posted May 10, 2014 Author Share Posted May 10, 2014 I can't see any visible damage to the sensor or the harness Quote Link to comment Share on other sites More sharing options...
savage bulldogs Posted May 10, 2014 Share Posted May 10, 2014 Just thought that would be the only thing electrical you would have removed to fit the downpipe . What about checking the vacuum pipes ? Does it idle ok ? If it's a classic have you done a code check by connecting the plugs under the dash ? Sent from my GT-I9300 using Tapatalk Quote Link to comment Share on other sites More sharing options...
leon1986 Posted May 10, 2014 Author Share Posted May 10, 2014 Yes it idles fine I have done the code check and it doesn't have any so reset ecu but still the same , like you say it's the only electrical component I removed really has baffled me Quote Link to comment Share on other sites More sharing options...
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