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Jeep Wrangler YJ
YJ General Discussion
Cylinder 4 misfire
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<blockquote data-quote="Walt Jaquith" data-source="post: 426052" data-attributes="member: 18654"><p>Get a mechanic's stethoscope and probe the injectors. You can hear the click as they fire. I had one on my 4.0 that was missing maybe once in 8-10 shots. It wasn't enough to trip a code, but did make the rig run a little off. Replaced the electrical connector at the fuel injector (they are 27 years old, after all), and it solved the problem. I've heard that you can bend the tangs inside the connector to get a better connection as well, but I've never tried that.</p></blockquote><p></p>
[QUOTE="Walt Jaquith, post: 426052, member: 18654"] Get a mechanic's stethoscope and probe the injectors. You can hear the click as they fire. I had one on my 4.0 that was missing maybe once in 8-10 shots. It wasn't enough to trip a code, but did make the rig run a little off. Replaced the electrical connector at the fuel injector (they are 27 years old, after all), and it solved the problem. I've heard that you can bend the tangs inside the connector to get a better connection as well, but I've never tried that. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Cylinder 4 misfire
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