1996 Ford Mustang Engine still Bogs

Tiny
WIZZAP
  • MEMBER
  • 1996 FORD MUSTANG
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 150 MILES
Any posted a more detail question eariler but I sorta fixed that

My car would not get above 20 or 30 and it would die out I checked the fuel pressure and it was 30 psi when I got one it it would drop to 18 psi

Anyway changed the fuel pump screen and filter It now has a pressure of 30 psi when I get on it it goes up to 40 psi then settle back to 30

When I switch off the car and turn the power back on the fuel pressure drops really slow

When im driving when I take off I notice a slight bog and car seems to have weak power

What else should I Check
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Saturday, June 13th, 2009 AT 10:09 PM

8 Replies

Tiny
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  • MEMBER
Sigh the site is dead tonight
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Saturday, June 13th, 2009 AT 11:59 PM
Tiny
RACEFAN966
  • EXPERT
Ok what you should do is buy a can of mass air flow cleaner (not carb spray) and pull the mass air flow meter, check the air filter while you are there. Clean the mass air flow meter and put it back in and see what happens. Let me know what you find.
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Monday, June 15th, 2009 AT 1:53 PM
Tiny
WIZZAP
  • MEMBER
Thanks racefan I did this and it hasnt really improved

I dont get a CEL now but it still has a slight bog when I get on it
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Monday, June 15th, 2009 AT 4:36 PM
Tiny
RACEFAN966
  • EXPERT
Ok one problem down. Now keep in mind this is a learning computer it adapts to you driving habbits so it may take a bit to come around now that the light is off. Now I do have to ask how old are the spark plugs? Have you tested any sensors? Do you have a digital mutli meter to do some sensor testing? If ou would pull a couple of easy spark plugs and check them out the gap should be between.52 and.56 gap and plugs should be replaced about every 30,000 and don't use bosch platnums as they have caused some idle misses in my Mustang and hesitations too. I use E3 diamond fire plugs they cost more but work great more power and better fuel economy. I do have to ask any performance mods? Thanks
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Tuesday, June 16th, 2009 AT 9:47 AM
Tiny
WIZZAP
  • MEMBER
The first thing I did was change the plugs the plug wires and the fuel filter the gaps are set correct I double checked them

And nope don't have any mods It just a V6 convertable

I also have ran 2 tanks of 93 octane with techron thru it before I changed the fuel pump

Right now I have 93 in it with a can of seafoam

Havent drove it in 2 days cause it only blows hot air out the defrost holes ( my next project)
Drove it all day Saturday with top down were all cooked lol
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Tuesday, June 16th, 2009 AT 5:33 PM
Tiny
RACEFAN966
  • EXPERT
Ok did you check for codes? If so get back to me on the codes ok. Now if you have a digital multi meter then I would like to have you check a couple of sensors. First the coolant temp sensor just simply unplug it (when it is cold) and then check the ohms on the sensor (not wire harness), get back to me with what the ohms are and the temp at the time of the temp. Now I would like you to check the throttle position sensor, you will need to take a paper clip and back probe the red wire at the connector (do not disconnect it for this test), now hook up your meter and set on 20 volt scale turn the key on engine off and see what the voltage is with throttle closed (make note), now slowly lift the throttle and the voltage should steadily increase with no dorp or glitches in voltage and take it to wide open throttle and make note of the voltage. Now get back to me with the voltage at closed and wide open and let me know weather or not the increase in voltage was steady. Note just for fun I have added some performance mods to my 98 V-6, she has a flowmaster 2 1/2 inch dual catback system and BBK cold air intake and throttle body and in the future I am planning some suspension upgrades and an 11 psi procharger to put it near 500 hp. Get back to me with your findings and we will take it from there. I never asked how clean is the air filter?
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Wednesday, June 17th, 2009 AT 9:28 AM
Tiny
WIZZAP
  • MEMBER
Will be the weekend before I got time to test anything. Air filter is new also
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Wednesday, June 17th, 2009 AT 5:40 PM
Tiny
RACEFAN966
  • EXPERT
Ok that works. Let me know what you find and we will go from there.
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Thursday, June 18th, 2009 AT 9:20 AM

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