John2015 Posted March 30, 2015 Share Posted March 30, 2015 Hi, I have a Ford Fiesta 1.25 with 51800 on the clock, the car runs very well and good on fuel. I used ASDA fuel, when I Rev it up and take my foot off the gas a popping noise comes from the exhaust. I was wondering if this was the fuel or something more serious. Could anybody help me with this please? Thanks Sent from my iPad using Ford OC Quote Link to comment Share on other sites More sharing options...
GingerFlame Posted March 30, 2015 Share Posted March 30, 2015 Possibly the extra ethanol believed to be in some Supermarket fuel compared to Bp, Shell etc Quote Link to comment Share on other sites More sharing options...
Magicmushroom2005 Posted March 30, 2015 Share Posted March 30, 2015 Just the exhaust note my old mk 6 crackled when reved and lifted off, u can hear it good if u stand at back and some 1 revs it Quote Link to comment Share on other sites More sharing options...
John2015 Posted March 31, 2015 Author Share Posted March 31, 2015 Thanks all for that just a worried was going to change the plugs but I will it for now Sent from my iPad using Ford OC Quote Link to comment Share on other sites More sharing options...
turbohater Posted March 31, 2015 Share Posted March 31, 2015 Is the exhaust in good condition and no leaks.Air can get sucked in on the over-run and cause popping Quote Link to comment Share on other sites More sharing options...
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