over revving issue
Thread Starter
|
Senior User
Joined: Feb 2013
Posts: 101
Likes: 0
So this is what I got. Map: koeo/14 psi, idle/15ish, 2500 rpm 17psi. BARO: koeo/14.2psi, idle 14.2psi 2500 rpm/14.5. EBP: koeo/0 psi, idle 1-2 psi, 2500 rpm/ 2-4 psi. This is all in neutral in my drive way. Would this ebp have any odd effect on the throttle pedal though where there's no reaction an inch into the pedal
Thread Starter
|
Senior User
Joined: Feb 2013
Posts: 101
Likes: 0
Just got back to maine from connecticut and I noticed that the ebp sensor when just driving will stay around 2psi but if I hammer on it it will be in th 18-20 psi range. Would different exhausts show different values? I'm still thinking the sensor or pipe is junked but would a large straight exhaust show a lower psi than a stock one?
Fleet Owner
Joined: Nov 2003
Posts: 27,918
Likes: 3,636
I don't mean to be rude, but if the EBP sensor isn't even registering atmospheric pressure (14.7 psig at sea level) before you even start the truck (ie KeyOnEngineOff), you have an issue with it. That is assuming you have the gauge working properly. That is why you look at EBP, MAP, and BARO (barometer) all at KOEO and see if they are all reading the same (and the reading is close to atmospheric pressure). I don't know if you can even do this, but if your EBP sensor is set up to display "gauge pressure" instead of absolute pressure (gauge pressure is just the absolute pressure minus the atmospheric pressure), then your readings sound about right.
Thread Starter
|
Senior User
Joined: Feb 2013
Posts: 101
Likes: 0
Oh I agree there is some problem with the ebp sensor my last stated question was based purely on what would a normal reading look like and does exhaust type have an effect on the readings. As far as the guage goes its being read off of my edge cs tuner so I'm not sure if it minuses the absolute pressure. As far as transmission goes I agree with bismic but this is on a standard transmission.
Last edited by livinlots26; Feb 25, 2013 at 11:59 AM. Reason: spelling
Post Fiend
Joined: Oct 2009
Posts: 12,123
Likes: 35
From: N. Fort Worth, tx
ebp map nad baro are all pressure sensors and are all check aginst each other at koeo ONLY. baro is the only one that will stay stable 100% of the time once the truck is running.
for example boost (mgp) is a calculate formula. based on the readings. once ebp or map is off all drivability will be effected ( minus 03my)
for example boost (mgp) is a calculate formula. based on the readings. once ebp or map is off all drivability will be effected ( minus 03my)
FTE Stories
Ford Trucks for Ford Truck Enthusiasts
Top 10 Fords at 2026 Carlisle Ford Nationals
Joe Kucinski
3 Best / 3 Worst Parts of Modern Ford Ownership
Brett Foote
10 Amazing Upgrades That Solve Common Ford Truck Owner Headaches
Pouria Savadkouei
Every 2026 Ford Engine Explained
Brett Foote
10 Ugly Ford Trucks That We Still Kinda Love
Joe Kucinski
10 Things Every Truck Owner NEEDS (2026 Edition)
Michael S. Palmer
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Verdad Gallardo
Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer
Joe Kucinski
2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)
Brett Foote
Logistics Pro
Joined: Dec 2004
Posts: 4,138
Likes: 7
From: South Weber, Utah
My MAP is 12-13 KOEO, BARO 12.5 at all times, EBP 0 KOEO. MAP at idle is 13, EBP is 2 at idle, the only difference is I am not experiencing any problems, my truck is running just fine and no codes.
Hotshot
Joined: Apr 2010
Posts: 19,072
Likes: 242
From: Saratoga Springs,UT
Just got back to maine from connecticut and I noticed that the ebp sensor when just driving will stay around 2psi but if I hammer on it it will be in th 18-20 psi range. Would different exhausts show different values? I'm still thinking the sensor or pipe is junked but would a large straight exhaust show a lower psi than a stock one?
Going to give you some Credit here Since your close to being on the right track
Answer to the question in RED above is Yes it Will have Lower EBP with 4 inch straight Pipe But only when Running and probably Not Much
Your Problem is you Have a BAD EBP Reading at KOEO (Key On Engine Off) AT this Time/Condition the EBP SHould/Needs to be same as BARO yours is NOT
Remember Baro sets the Baseline for all pressure sensors so this Includes EBP and MAP as these are just pressure sensors
Fleet Owner
Joined: Nov 2003
Posts: 27,918
Likes: 3,636
Benny - according to Mustang 309, the Edge gauge may be reporting the EBP value in different units (ie psig instead of psia) than the MAP and Baro. This is his first task - to confirm that or to disprove it. If the gauge is reporting the value as psig then it is correct for it to be 14.7 (or thereabouts) less than the other readings. Even so, it shouldn't go negative at idle. At a minimum (after confirming the actual "units" of the reading), he should pull the sensor and clean it and the tube.
Also - livinlots26 - your readings are going to be 2 psi less than mustang 309's just due to the altitude difference between Utah and wherever your home location is at (based on baro readings).
Also - livinlots26 - your readings are going to be 2 psi less than mustang 309's just due to the altitude difference between Utah and wherever your home location is at (based on baro readings).
Logistics Pro
Joined: Dec 2004
Posts: 4,138
Likes: 7
From: South Weber, Utah
I will give Edge products a call today and see if I can get a concrete answer to this question. If the EBP reading were that far out of range assuming that it is not reading correctly would it set a DTC? Also I am at about 4900 ft above sea level and I believe that you lose about .5 PSI per 1000 feet of increase in elevation.