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Boost issue PART II

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Old 10-02-07, 05:13 PM
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Boost issue PART II

Okay, Ive replaced both Turbo Control solenoids and bought new pills, So, I go for a test ride an NO Boost, car drives just fine, just has no kick. Im not getting any smoke nor oil, coolant leaks. Also, I just got another bov and the damm thing wont even go off as a result of no boost, dont know what do to next????

ANYONE PLEASE HELP

Thanks in Advance!
Old 10-02-07, 05:18 PM
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Do you even have a boost gauge connected? If not, that's the first thing you need to do. If you do have one, what is your pattern?

If you're getting absolutely ZERO boost, then you should definitely check all of your intercooler couplings - specifically the one at the y-pipe.

Also, have you went past 4500 rpms to see if you're getting any secondary boost?
Old 10-02-07, 05:31 PM
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I have a boost gauge and I only get like 2psi and thats all if not any. I have a FMIC, with the efini Y pipe and I've checked everything, I took off the UIM to make sure everything was good and found nothing. The car ran and pushed like hell and in a matter of 3days I get this problem. Once again Im not getting any smoke of any kind, car starts right up, Idle is perfect as well as my AFR.
Old 10-02-07, 05:47 PM
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Check for boost leaks asap.

If that doesn't work start looking toward your wastegate/precontrol as those are the main actuators that regulate primary boost.

Too much precontrol will cause you to vent off too much primary boost but would cause a huge spike in the transition, which is why i was asking you how your secondary boost is looking.

If those solenoids weren't working correctly, however, you should still see 7 psi on the primaries, which leads me to believe this is boost leak. Also, check the C-clips on both your wastegate and precontrol actuators. They're accessible from right under the car.
Old 10-02-07, 05:58 PM
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Originally Posted by optimus prime
Check for boost leaks asap.

If that doesn't work start looking toward your wastegate/precontrol as those are the main actuators that regulate primary boost.

Too much precontrol will cause you to vent off too much primary boost but would cause a huge spike in the transition, which is why i was asking you how your secondary boost is looking.

If those solenoids weren't working correctly, however, you should still see 7 psi on the primaries, which leads me to believe this is boost leak. Also, check the C-clips on both your wastegate and precontrol actuators. They're accessible from right under the car.
Is there a way to check if these actuators are working properly? What will I be looking for besides that the "e" clips or arm may be off, if not will I just need to replace them?
Old 10-02-07, 06:39 PM
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Bump, anyone
Old 10-02-07, 08:12 PM
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have you checked those things mentioned above yet?

http://www.autosportracetech.com/RX-...leshooting.htm
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