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 Mazda RX-7s
 Turbocharged NA
 88 RX7 Turbo Conversion Problems		  New Topic  Reply to Topic
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Tubro Monster
New Member

1 Posts
Posted - Dec 12 2005 :  12:57:39 AM  Show Profile  Reply with Quote
I've reciently completed converting my 88 rx7 N/A to a T4 Garret (AR 90) using your Almost complete guide. When I start my car it wants to start and its stumbling on itself but is shooting fuel from the turbo exhaust and smokes.. I upgraded both injectors (first and secondary) but not sure if I was only suppose to upgrade one of the two. They are both injectors and fuel pump are off a turbo II. I have not changed my ECU or wiring harness, because I wasnt sure if i was suppose to. Nor have I installed a SAFC. Any input or suggestions would be very helpful. I will send photos when project is complete. ASAP

Aaron Cake
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Canada
6718 Posts
Posted - Dec 13 2005 :  09:38:57 AM  Show Profile  Visit Aaron Cake's Homepage  Send Aaron Cake an ICQ Message  Send Aaron Cake a Yahoo! Message  Reply with Quote
Sounds a lot like one of the injectors is stuck open. It's rare, but it does happen. You can confirm by removing the upper intake with the injectors still connected, then power on the car. If you get fuel shooting out of them, or can hear fuel shooting out of the primaries, then that is the cause.

If the injectors are fine, you will have to start troubleshooting .Vacuum leaks? Fouled plugs or ignition problem? Vacuum line to FPR?
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