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Old 04-16-2014, 06:00 AM
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Sudden drop to 12 mpg

Help me out guys all of a sudden my truck mpg dropped to 12. I dont beat on it at all probably half city half highway. Replaced my intercooler boots a while back. Kt performance chip, 4" exhaust and 6637 intake. New cps, ICP and IPR. Boost about 19psi and Im in New mExico so my elevation is about 5000ft.

What else can I check?
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Old 04-16-2014, 06:32 AM
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clean/replace the EBP tube and sensor...located in front of hpop, to the left. Tube runs from there to front of p/s manifold
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Old 04-16-2014, 06:32 AM
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Maybe it has nothing to do with the engine...

Be sure your rolling resistance isn't the problem. A dragging caliper, low tire pressure, Ft axle engaged, that kind of stuff can have an effect.
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Old 04-16-2014, 06:50 AM
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I have only clean the one that runs from the passagener manifold to the center front of the engine. Ill have to look for the other one. Is it pretty easy to spot?
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Originally Posted by timmyboy76 View Post
clean/replace the EBP tube and sensor...located in front of hpop, to the left. Tube runs from there to front of p/s manifold
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Old 04-16-2014, 06:55 AM
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Originally Posted by jdereu View Post
I have only clean the one that runs from the passagener manifold to the center front of the engine. Ill have to look for the other one. Is it pretty easy to spot?
ya, thats the one im referring to.
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Old 04-16-2014, 07:00 AM
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Ya I cleaned that one never really clogged or anything to bad. Maybe that sensor is on its way out?
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Old 04-16-2014, 07:31 AM
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Are you hearing a hiss from that tailpipe once the engine is warmed-up (indicating the EBPV is restricting exhaust flow)?

What else would make you think this is a EBP issue?
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Old 04-16-2014, 07:37 AM
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My ebpv is gutted and remove. I dont think its a EBP issue really. Just taking suggestions
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Old 04-16-2014, 07:59 AM
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Have you changed your fuel filter lately?

Or a bit more exhaust smoke?

Look for (intercooler coupling) boost leaks and look for exhaust up pipe leaks.

Sent from AutoGuide.com Free App
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Old 04-16-2014, 10:14 AM
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Fuel filter recent yes.

More smoke yes.

How do I check for up pipe leaks
Quote:
Originally Posted by hucorey View Post
Have you changed your fuel filter lately?

Or a bit more exhaust smoke?

Look for (intercooler coupling) boost leaks and look for exhaust up pipe leaks.

Sent from AutoGuide.com Free App
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