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Jeep Wrangler JK
JK General Discussion
The long crank times at startup saga
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<blockquote data-quote="stephenspann27" data-source="post: 461700" data-attributes="member: 25007"><p>A little bit of a breakthrough after a few days of running a fuel pressure gauge. Starting with 0 psi of pressure doesn't seem to matter, however, during the extended crank, there is a delay in building pressure. Either the pump is lazy about turning on, or the signal is not coming quickly enough from the ECU/TIPM Relay. I made a video: [MEDIA=youtube]lVIxZNfK4wA[/MEDIA]</p></blockquote><p></p>
[QUOTE="stephenspann27, post: 461700, member: 25007"] A little bit of a breakthrough after a few days of running a fuel pressure gauge. Starting with 0 psi of pressure doesn't seem to matter, however, during the extended crank, there is a delay in building pressure. Either the pump is lazy about turning on, or the signal is not coming quickly enough from the ECU/TIPM Relay. I made a video: [MEDIA=youtube]lVIxZNfK4wA[/MEDIA] [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
The long crank times at startup saga
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