Focus ST170 - Misfire
Discussion
Hello,
Got an 03 plate Focus ST170, which has developed a problem where it cuts out under hard acceleration. Its gradually getting worse and now just judders when you put the foot down. Worth mentioning that this only started happening shortly after I fitted a K & N filter but this has since been removed and still getting same problem. (also worth noting that the K&N has been installed before with no problems). When sitting in neutral, the engine revs fine - problem only seems to occur when under load.
Local garage plugged it into there computer but no DTC codes showing. Any ideas?
Got an 03 plate Focus ST170, which has developed a problem where it cuts out under hard acceleration. Its gradually getting worse and now just judders when you put the foot down. Worth mentioning that this only started happening shortly after I fitted a K & N filter but this has since been removed and still getting same problem. (also worth noting that the K&N has been installed before with no problems). When sitting in neutral, the engine revs fine - problem only seems to occur when under load.
Local garage plugged it into there computer but no DTC codes showing. Any ideas?
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