Information overload
#1
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Join Date: Jul 2009
Location: Yomitan, Okinawa, Japan
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Information overload
So I have been having some leak issues (both boost and vacuum) since I bought my FD. After finding a dry rotted and cracked vacuum line running to one of my intake actuators, I decided to check under my upper intake manifold for any other bad lines. Lo and behold, as I removed the mani, I hear cracking snapping and popping as all of my lines desintegrate. FML. I looked for guide on the vacuum setup, only to relize I had no "rats nest" nor any check valves. When I bought the car, I was told it had been converted to a "simplified sequential". Browsing and searching the archives I found no limit to the amount of information of vacuum lines, rats nests, simplification etc...
This is great, but it is a lot like walking into a library full of books looking for a sentence on a page on a topic you are trying to learn about. I can post under the hood pics as soon as I get some more of them, if that will help.
Since I got the car I was boosting under 5 without any variation (no secondary?) recently I was boosting to 1.3 for no reason. Shortly thereafter it began to choke if I gave more than a feather touch to the gas pedal. I could get up to speed this way, but if I accidentally broke even on my boost guage, it would choke and pop loudly upon release.
I suspected flooding, as it smelled extremely rich, and burned through $50 in two days. I may have a multitude of problems, but I first need to get it running again. without those vacuum lines, I am sure it will not run. I rely on this car to get to and from work on a daily basis, so there are certain time constraints. I am happy to work on my car every day, but if I cannot have a running vehicle, I will have to sell it/junk it, and buy a different one. I do not want that. I love my FD.
This is great, but it is a lot like walking into a library full of books looking for a sentence on a page on a topic you are trying to learn about. I can post under the hood pics as soon as I get some more of them, if that will help.
Since I got the car I was boosting under 5 without any variation (no secondary?) recently I was boosting to 1.3 for no reason. Shortly thereafter it began to choke if I gave more than a feather touch to the gas pedal. I could get up to speed this way, but if I accidentally broke even on my boost guage, it would choke and pop loudly upon release.
I suspected flooding, as it smelled extremely rich, and burned through $50 in two days. I may have a multitude of problems, but I first need to get it running again. without those vacuum lines, I am sure it will not run. I rely on this car to get to and from work on a daily basis, so there are certain time constraints. I am happy to work on my car every day, but if I cannot have a running vehicle, I will have to sell it/junk it, and buy a different one. I do not want that. I love my FD.
#3
Mr. Links
iTrader: (1)
I would recommend taking the car to a shop. However, if you really plan on doing this yourself, I would recommend the following:
1. Do a quick compression test using a piston engine compression tester. If it comes back bad, no need to go any further.
2. Get familiar with the twin turbo control system:
http://www.autosportracetech.com/RX-...erOverview.htm
The rats nest is intimidating. However, once you realize that it's part emissions and part turbo control, you can eliminate the emissions pieces from your troubleshooting.
3. Rip out everything that was done to car for the turbo control system.
4. Make sure what you have is still a functioning sequential setup (i.e. it really wasn't converted to poor-man non-seq).
5. Once you know what you have, rebuild the system with new vacuum lines and verify each solenoid and actuator is functioning properly.
After that, do the normal maintenance on the car if you haven't since you purchased it:
* Fuel filter
* Coolant flush
* Oil & filter change
* Air filter
* Spark plugs
* O2 sensor replacement
Granted, all this is AFTER you verify you still have good|even compression.
1. Do a quick compression test using a piston engine compression tester. If it comes back bad, no need to go any further.
2. Get familiar with the twin turbo control system:
http://www.autosportracetech.com/RX-...erOverview.htm
The rats nest is intimidating. However, once you realize that it's part emissions and part turbo control, you can eliminate the emissions pieces from your troubleshooting.
3. Rip out everything that was done to car for the turbo control system.
4. Make sure what you have is still a functioning sequential setup (i.e. it really wasn't converted to poor-man non-seq).
5. Once you know what you have, rebuild the system with new vacuum lines and verify each solenoid and actuator is functioning properly.
After that, do the normal maintenance on the car if you haven't since you purchased it:
* Fuel filter
* Coolant flush
* Oil & filter change
* Air filter
* Spark plugs
* O2 sensor replacement
Granted, all this is AFTER you verify you still have good|even compression.
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