Danzzza Posted August 1, 2010 Share Posted August 1, 2010 When my car is just idling and I "blip" the throttle, as the revs come down there is a slight popping/burbling noise from the exhaust. Is this anything to worry about?? Quote Link to comment Share on other sites More sharing options...
james_60 Posted August 1, 2010 Share Posted August 1, 2010 In my experiance of fiestas nothing to worry about. If it starts backfiring thats when you ought to worry Jamie Quote Link to comment Share on other sites More sharing options...
jmurray01 Posted August 1, 2010 Share Posted August 1, 2010 Could be the start of a misfire. My MK4 1.25 Fiesta has a misfire, as when it's idling the exhaust consistantly burbles and the engine knocks. But it does have over 30,000 on the spark plugs so that's to be expected. Quote Link to comment Share on other sites More sharing options...
james_60 Posted August 1, 2010 Share Posted August 1, 2010 Go and buy a new set of plugs they are well past there best. Popping from the exhaust is normal for mk6's and mk7's Jamie Quote Link to comment Share on other sites More sharing options...
blade Posted August 1, 2010 Share Posted August 1, 2010 popping exhaust is normal on the mk6 and mk7 fiestas,exhaust sound is quite nice though,really nice,deep sound ;) Quote Link to comment Share on other sites More sharing options...
Danzzza Posted August 1, 2010 Author Share Posted August 1, 2010 Glad it's nothing to be concerned about. I've noticiced if for a while but never gave it much thought, read after a quick "google", about timing issues, exhaust leaks etc. causing a popping sound. Good to know I can leave it, sounds good when waiting in traffic (: Quote Link to comment Share on other sites More sharing options...
Ollie137 Posted August 3, 2010 Share Posted August 3, 2010 is it a standard exhaust or aftermarket? as a de cat? Quote Link to comment Share on other sites More sharing options...
DONFRAMAC Posted August 5, 2010 Share Posted August 5, 2010 is it a standard exhaust or aftermarket? as a de cat? The standard exhaust 'box has a drilled hole, to allow drainage of acidic liquid, and on the overrun, this often creates a bobbling noise. Just learn to enjoy it, --- it is a sign of a well running engine! Quote Link to comment Share on other sites More sharing options...
Ollie137 Posted August 5, 2010 Share Posted August 5, 2010 The standard exhaust 'box has a drilled hole, to allow drainage of acidic liquid, and on the overrun, this often creates a bobbling noise. Just learn to enjoy it, --- it is a sign of a well running engine! Grim, mine dont pop =/ wud like it to tho Quote Link to comment Share on other sites More sharing options...
Jack_P Posted August 8, 2010 Share Posted August 8, 2010 My old m6 had an exhaust burble ( 1.4 zetec ) nothing came up in the service or mot so id say nothing was wrong, pretty sure its to do with the zetec design Quote Link to comment Share on other sites More sharing options...
Billyf93 Posted October 19, 2021 Share Posted October 19, 2021 Hello I have a 1.2 fiesta and I have noticed when I am reving and I take my foot off the accelerator the exhaust has a slight pop to it does anyone know What this could be? Quote Link to comment Share on other sites More sharing options...
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