Acceleration problems

Tiny
COLT COLEMAN
  • MEMBER
  • 2006 FORD 500
  • 3.0L
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 140,000 MILES
So here is the deal. I filled car up with gas went home about fifteen miles car drove fine next morning started car it would not accelerate or rev barely get up to 2000 rpm's. Also, I heard what sounded like a vacuum leak. So long story short I replaced throttle body thinking this was the problem replaced all six coils and intake gasket checked fuel pump and filter both good put it all back together and same problem, so I could still here the vacuum leak found out that the EGR gasket was leaking. I took it off and used a make a gasket sealant put the whole thing back, but at this time I had battery disconnected so after I put it back together and cranked it sure enough had full power for about five minutes, so got out car and noticed the EGR valve leaking more but did not hear it leaking when first started car so do you think a leaking EGR would take the power out complete so much I could not even get over five mph? And did the make a gasket work for the first five mine are did the computer reset it self?
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Thursday, August 11th, 2016 AT 7:43 PM

13 Replies

Tiny
COLT COLEMAN
  • MEMBER
Are did the computer reset itself and was running off default codes. Also I would like to add I noticed the engine and intake and everything things seems to be getting hot with in seconds and I mean so hot you cannot even put your hand on top off intake phlegm. But it is not over heating and checked the water pump and it is pumping, no pressure on hoses. Can anyone give me a clue on what could be going on? Thanks.
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Thursday, August 11th, 2016 AT 7:44 PM
Tiny
HMAC300
  • EXPERT
Scan for codes and check for a vacuum leak. Gasket sealant is not the way to go in place of gaskets it will ruin your O2 sensors.
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Friday, August 12th, 2016 AT 7:56 AM
Tiny
COLT COLEMAN
  • MEMBER
Already scan for codes no codes no engine light cant seem to figure out what's been causing this
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Friday, August 12th, 2016 AT 11:58 AM
Tiny
HMAC300
  • EXPERT
Also check fuel pressure with a gauge https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
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Friday, August 12th, 2016 AT 12:00 PM
Tiny
COLT COLEMAN
  • MEMBER
Already checked fuel pressure 65 psi steady. So I'm starting to think maybe plugged catalystic converter
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Friday, August 12th, 2016 AT 4:58 PM
Tiny
COLT COLEMAN
  • MEMBER
Do you know what temp the cat should be running on my scan tool live data it shows about 2100 degrees
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Friday, August 12th, 2016 AT 5:01 PM
Tiny
HMAC300
  • EXPERT
If cat were plugged it would set a 420/30 code checkfor a plugged return line if it was hot when you took pressure and was 65 that was ok but if cold it should be 40 psi give or take a few pounds. 2100 sounds a little high. Check intake manifold vacuum if 15" or below it may be a plugged exhast not necessarily the converter. Also there is tool dealers have to screw into O2 sensor hole to test for back pressure. Which would be a plugged exhaust as well but that could be after converter.
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Friday, August 12th, 2016 AT 6:12 PM
Tiny
COLT COLEMAN
  • MEMBER
Well the thing is I'm not sure how quick it would throw a code because everytime I've worked on it or any car I disconnect the battery and I'm only letting it idle for bout 10 mins. And my scan tool says I need to drive it then recheck for codes wich I can't do so do you think it would throw code instantly?
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Friday, August 12th, 2016 AT 8:32 PM
Tiny
HMAC300
  • EXPERT
If you can't drive it then I'd suggest having a mechanic put his scanner on it there has to be a problem with a sensor somewhere and i'm sure he cold find it even the way it sits.
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Saturday, August 13th, 2016 AT 5:35 AM
Tiny
COLT COLEMAN
  • MEMBER
Well I can't afford a mechanic obviously I wouldn't be here asking for advice I would be at a shop besides I got it fixed it was plugged exhaust. Sure enough what I thought happened was correct the exhaust built up enough pressure that it blow the egr gasket and was pushing exhaust out there which was causing the whole throttle body and intake to get hot because of the exhaust
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Saturday, August 13th, 2016 AT 8:54 AM
Tiny
HMAC300
  • EXPERT
Was it the cat or exhaust?
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Saturday, August 13th, 2016 AT 9:41 AM
Tiny
COLT COLEMAN
  • MEMBER
The cat.
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Saturday, August 13th, 2016 AT 2:34 PM
Tiny
KEN
  • ADMIN
Here is a guide to test the cat converter, please let us know what you find

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter

Best, Ken
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Monday, August 15th, 2016 AT 12:04 PM

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