Link to instructions for bubble test?
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From: Houston, Texas
Trouble?
For awhile now. https://www.ford-trucks.com/forums/1...elp-again.html
It's running pretty good now, but there's still a little miss when I give it gas at low rpms. The bubble test helped, now I'm pretty sure the injectors are not leaking. Ford mechanic says my FICM voltage is all good, and no codes are being thrown up except one bad glow plug, and it was showing that before any of these problems started.
I think I'm down to the fuel pump or a restriction in the fuel lines somewhere. Just hate to pay $500 for a new one without knowing for sure (mostly because I've already paid out close to $4000 throwing parts at the problem.)
You know of any cheap way to test the fuel pump? When I take the primary filter and cap off and crank, it sure fills up like the fuel pump is working, but maybe it's just not enough pressure. Already did the blue spring upgrade - and it needed it bad, all gunked up.
It's running pretty good now, but there's still a little miss when I give it gas at low rpms. The bubble test helped, now I'm pretty sure the injectors are not leaking. Ford mechanic says my FICM voltage is all good, and no codes are being thrown up except one bad glow plug, and it was showing that before any of these problems started.
I think I'm down to the fuel pump or a restriction in the fuel lines somewhere. Just hate to pay $500 for a new one without knowing for sure (mostly because I've already paid out close to $4000 throwing parts at the problem.)
You know of any cheap way to test the fuel pump? When I take the primary filter and cap off and crank, it sure fills up like the fuel pump is working, but maybe it's just not enough pressure. Already did the blue spring upgrade - and it needed it bad, all gunked up.
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