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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford F-150 Raptor General Discussions [GEN 2]
Gen 2 misfiring badly under boost/acceleration
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<blockquote data-quote="Therock88" data-source="post: 1759389" data-attributes="member: 53689"><p>As others suggested...Likely going to need to have someone look at it, as it won't be correctly diagnosed on the internet/Forum.</p><p></p><p>If it runs good when driving easy, and starts acting up under acceleration...That usually suggests plugs/coils in many cases, especially if it occurs in mid-range. Another thought, since you said it starts flashing CEL while you are in it...May be O2 sensor/cat related. Those seem the most obvious, but going to need to get someone to actually look at it. You may also check by monitoring the post Cat O2 and see if it is steady or going all over the place...another sign it (or that Cat) may be bad.</p><p></p><p>Good luck.</p><p></p><p>DC</p></blockquote><p></p>
[QUOTE="Therock88, post: 1759389, member: 53689"] As others suggested...Likely going to need to have someone look at it, as it won't be correctly diagnosed on the internet/Forum. If it runs good when driving easy, and starts acting up under acceleration...That usually suggests plugs/coils in many cases, especially if it occurs in mid-range. Another thought, since you said it starts flashing CEL while you are in it...May be O2 sensor/cat related. Those seem the most obvious, but going to need to get someone to actually look at it. You may also check by monitoring the post Cat O2 and see if it is steady or going all over the place...another sign it (or that Cat) may be bad. Good luck. DC [/QUOTE]
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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford F-150 Raptor General Discussions [GEN 2]
Gen 2 misfiring badly under boost/acceleration
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