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Old 03-17-2011, 11:17 PM   #1
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New fuel pressure regulator installed..still long to start

As the title says. I just finished installing a new fuel pressure regulator in my jeep and drove 30 miles then let it sit for an hr and it took a few times to crank. What else could be causing this? Thanks

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Old 03-18-2011, 11:52 AM   #2
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bump....

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Old 03-18-2011, 11:58 AM   #3
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Did you test the new regulator by blowing into it before installing it? You should not be able to blow backwards through the check valve towards the gas tank. The same thing happened to me after installing a new pressure regulator and it turned at the new part was bad and its check valve leaked too. Replacing it again fixed it.
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Old 03-18-2011, 01:37 PM   #4
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Quote:
Originally Posted by Jerry Bransford
Did you test the new regulator by blowing into it before installing it? You should not be able to blow backwards through the check valve towards the gas tank. The same thing happened to me after installing a new pressure regulator and it turned at the new part was bad and its check valve leaked too. Replacing it again fixed it.
No :/ damn it...i guess im screwed ill prob live w it for a few months and try it again later.
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Old 03-18-2011, 08:44 PM   #5
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I'm no mechanic, but I experienced something similar regarding long hard starts and first thing I checked was fuel pump relay. I changed it and It fixed my problem before I had to go any further. There are ways to test the relays(check you tube) but I found it easier to just pick one up from a parts store.
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