Compression Ignition Addict
Join Date: Apr 2012
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if it's a no start hot or cold that occurred out of the blue, it's not likely a leak, as the problem would have evolved...usually. i'd be more inclined to think it were an ipr issue or maybe even a pump. though the 05+ pumps are less prone to failure, it isnt unheard of. pull the ipr out. have a look at it. if you see a hole punched in the screen, something went through that pump and may have damaged it.
your problem isnt a leak. since you got it running, its clear the problem is intermittent. leaks aren't intermittent. its probably a sticking ipr.
to confirm, you'd need a device capable of commanding the ipr duty cycle up and down with air hooked up, while monitoring icp to corroborate the ipr movement. i use an ids, but even if you hooked up something like a rheostat to the ipr to control it, that would work as well
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