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Jeep Wrangler JK
JK General Discussion
07 JK engine hesitation
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<blockquote data-quote="Speartip" data-source="post: 460795" data-attributes="member: 23341"><p>Update . </p><p>Plugged in JSCaN today and intermittent code I was getting </p><p>P0430. Catalyst system efficiency below threshold .</p><p> </p><p> Doing some research issues such as O2 sensor , misfire or fuel pump problem can cause a P0430 code . </p><p></p><p> Installed new plugs , coil pack & wires . Runs really smooth .</p><p>Hesitation I was getting is gone . </p><p></p><p> At start up after replacing components check engine light turned off . </p><p>Not sure if checking code eliminated warning or if issue is resolved . </p><p> Drove it for an hour with no warnings and was really smooth across the all RPM bands.</p></blockquote><p></p>
[QUOTE="Speartip, post: 460795, member: 23341"] Update . Plugged in JSCaN today and intermittent code I was getting P0430. Catalyst system efficiency below threshold . Doing some research issues such as O2 sensor , misfire or fuel pump problem can cause a P0430 code . Installed new plugs , coil pack & wires . Runs really smooth . Hesitation I was getting is gone . At start up after replacing components check engine light turned off . Not sure if checking code eliminated warning or if issue is resolved . Drove it for an hour with no warnings and was really smooth across the all RPM bands. [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
07 JK engine hesitation
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