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SVTPerformance's Chain of Restaurants
The Blower Bistro
03 cobra boost issues
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<blockquote data-quote="mgt351" data-source="post: 16370805" data-attributes="member: 73693"><p>I bought a 03 recently that had some front end damage </p><p>Once I got it repaired I drove it and it’s only making 5psi</p><p>The car is a 03 cobra 156k miles</p><p>2.76 upper pulley, stock lower, long tubes and accufab tb/elbow. It also has a xcal 4 with a tune in it from 2 owners ago.</p><p>First thing I did was replace the belt and tensioner. What I have found is if I do the boost bypass like the write up shows on this site it will make 12-13 psi</p><p>With the boost solenoid hooked up it goes back to 5psi </p><p>I have tried 2 different boost solenoids and a different iat2 sensor and no change </p><p>Also the a/f is reading lean in boost with the bypass mod. I will be verifying the af meter is correct later this week but can’t figure out what is making it lose boost with the bypass and solenoid hooked up like factory.</p></blockquote><p></p>
[QUOTE="mgt351, post: 16370805, member: 73693"] I bought a 03 recently that had some front end damage Once I got it repaired I drove it and it’s only making 5psi The car is a 03 cobra 156k miles 2.76 upper pulley, stock lower, long tubes and accufab tb/elbow. It also has a xcal 4 with a tune in it from 2 owners ago. First thing I did was replace the belt and tensioner. What I have found is if I do the boost bypass like the write up shows on this site it will make 12-13 psi With the boost solenoid hooked up it goes back to 5psi I have tried 2 different boost solenoids and a different iat2 sensor and no change Also the a/f is reading lean in boost with the bypass mod. I will be verifying the af meter is correct later this week but can’t figure out what is making it lose boost with the bypass and solenoid hooked up like factory. [/QUOTE]
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SVTPerformance's Chain of Restaurants
The Blower Bistro
03 cobra boost issues
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