T O P I C R E V I E W
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9cobrasnake9
Member # 575
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posted
I have a vortech V-1 with an aftercooler on a 96 cobra. The vortech went on..we got it tuned..Everything went well. When we tuned it my engine was pulling 20 hg in vacumn and 11 psi on boost. Well I drove it for a day and it ran great..Then my check engine light went on...It flashed p0402..Excessive egr. I hooked up my boost gauge today and am only pulling 10 hg at idle and 7psi at full boost... Anyone have any ideas as to what the hell is going on..This is just a pic of my boost gauge hookup. Is it hooked up right? Or are the two prblems linked?
[ August 10, 2010, 12:35 AM: Message edited by: 9cobrasnake9 ]
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JohnB
Member # 969
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posted
You have a vac leak somewhere. Check all your connectors and lines. Re-torque all manifold bolts.
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Duncan Motors
Member # 7045
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posted
that looks like a cluster fuck of hoses. but yeah theres a vac leak somewhere.
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CobramanPhil
Member # 2170
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posted
Ditto...
I am guessing the hose directly off of the valve is leaking..seen it lots of time before...especially with that octopus you have on there:) [ August 10, 2010, 02:12 PM: Message edited by: CobramanPhil ]
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9cobrasnake9
Member # 575
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posted
KK i found a hose on my intake tube pre supercharger that was not on all the way..It was def my leak..I drove it for abour 50 miles today and no check engine light..The weird thing is the boost gauge is still reading the same numbers..Now I am super confused
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9cobrasnake9
Member # 575
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posted
And i will throw a hose clamp on the hose coming from the mass of vacumn..see if that helps
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Secnd2nun64
Member # 1431
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posted
Is that glue next to that red line? Where are your hose clamps??? Get yourself a hand vacuum pump and start isolating those lines. [ August 11, 2010, 02:40 AM: Message edited by: Secnd2nun64 ]
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92stangLX
Member # 3252
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posted
quote: Originally posted by 9cobrasnake9: KK i found a hose on my intake tube pre supercharger that was not on all the way..It was def my leak..I drove it for abour 50 miles today and no check engine light..The weird thing is the boost gauge is still reading the same numbers..Now I am super confused
You may have a leak somewhere else that you have not caught.
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9cobrasnake9
Member # 575
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posted
Looks like my faring in the back of the gauge was cracked..causing air to leak out..A stethescope helped me track down the problem..Thanks for the help!
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