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How to tell is HPOP is going bad?

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Old 05-10-2011, 02:00 PM
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How to tell is HPOP is going bad?

I have a 97 F350 with 185,000 miles on it, stock injectors, and all the mods in my sig. It seems like when I start my truck up cold and drive it, it seems like its lacking in power until it warms up. Is this normal? It also seeems to smoke more when its cold and i lean into the throttle than when it has warmed up. Was thinking i might have weak/leaking injectors or a bad HPOP. I also get a strong fuel smell from my tail pipe that seems stronger than it should be.

Thanks in advance.
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Old 05-10-2011, 03:12 PM
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Nothing your describing seems abnormal. The fuel odor might be a concern if it was constant. If its there only when the engine is cold that seems pretty normal to me too.
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Old 05-10-2011, 04:03 PM
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Our engines are dogs when cold. Gotta give it some time to warm up.

Smoke is not abnormal as well as long as it goes away.

To test the HPOP you would have to have a scanner to ICP and duty cycle.
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Old 05-10-2011, 11:56 PM
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maybe egpv engaging when it's cold? wag!!
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Old 05-11-2011, 12:06 AM
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I didnt think about that, my egbv is wired open, could that be why it reaks like fuel?
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Old 05-11-2011, 12:09 AM
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Quote:
Originally Posted by smash fascism View Post
I didnt think about that, my egbv is wired open, could that be why it reaks like fuel?
Wired open would not be the issue... If it was closing, that would cause a lack in power...
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Old 05-11-2011, 12:09 AM
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Quote:
Originally Posted by smash fascism View Post
I didnt think about that, my egbv is wired open, could that be why it reaks like fuel?
No ..

Are you due for an oil change?

Get it on a scanner , let us see some live data...

My WAG is the IPR is sticking ...
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Old 05-11-2011, 12:11 AM
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yeah I know that, when the actuator broke it was a dog until i wired the butterfly open. im going to take that housing off this weekend and do the delete to it.
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Old 05-11-2011, 12:25 AM
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Quote:
Originally Posted by smash fascism View Post
yeah I know that, when the actuator broke it was a dog until i wired the butterfly open. im going to take that housing off this weekend and do the delete to it.
What part did you know ?
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Old 05-11-2011, 10:12 AM
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What part did you know ?
I think he answer to James, you wrote at the same time your WAG and I think he hasnt answered to you.
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Old 05-11-2011, 01:59 PM
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Quote:
Originally Posted by JamesHajek View Post
Our engines are dogs when cold. Gotta give it some time to warm up.

Smoke is not abnormal as well as long as it goes away.

To test the HPOP you would have to have a scanner to ICP and duty cycle.
What is the ICP?
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Old 05-11-2011, 03:02 PM
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ICP = Injection control pressure...
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