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Jeep Wrangler YJ
YJ General Discussion
Hard start problem when engine is cold
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<blockquote data-quote="c_anthony27" data-source="post: 428178" data-attributes="member: 19328"><p>I have a ‘91 YJ that is a project im doing with my son</p><p></p><p>had a blown engine in it according to the previous owner</p><p></p><p>we sourced a new engine and swapped it and got it up and running </p><p>it runs like a top</p><p>no noise</p><p>great oil pressure</p><p>no overheating issues etc </p><p></p><p>the only thing is that it starts up very hard when its cold </p><p>when its warm it usually fires up right away </p><p></p><p>when i did the engine swap i did put new plugs in and gapped them </p><p>brand new distributor with brand new cap and rotor </p><p>i also put a brand new fuel filter in </p><p></p><p>i can hear the fuel pump prime for a few seconds when i turn the key </p><p></p><p>looking for some other things that might be causing this that i cant think of </p><p></p><p>thank you</p></blockquote><p></p>
[QUOTE="c_anthony27, post: 428178, member: 19328"] I have a ‘91 YJ that is a project im doing with my son had a blown engine in it according to the previous owner we sourced a new engine and swapped it and got it up and running it runs like a top no noise great oil pressure no overheating issues etc the only thing is that it starts up very hard when its cold when its warm it usually fires up right away when i did the engine swap i did put new plugs in and gapped them brand new distributor with brand new cap and rotor i also put a brand new fuel filter in i can hear the fuel pump prime for a few seconds when i turn the key looking for some other things that might be causing this that i cant think of thank you [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Hard start problem when engine is cold
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