Single Turbo RX-7's Questions about all aspects of single turbo setups.

87 Tii

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Old 07-22-08, 05:50 PM
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D Dizzle
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87 Tii

i got a new ecu cuz mine was literally cooked, so now my car actually starts, the only problem now is that it won't stay running all the time, sometimes it will idle but must idle high and sometimes it just starts and rev hit 1000 rpm and it dies. any ideas on what it might be just to let you all know that car has been sitting for about 2 years and starts right away when i pour fuel directly into the intake(under the inter cooler) any help would be greatly appreciated

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Old 07-22-08, 05:59 PM
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did you get the right ecu? Stock i assume.
Old 07-22-08, 06:48 PM
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yes stock tII ecu
Old 07-22-08, 07:45 PM
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anyone else think it might be the fuel filter or something to do with the fuel delivery?
Old 07-22-08, 07:51 PM
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sounds like vacuum leaks man.

my 87 tii was like that when I got it aswell... I ordered a master block off plate kit from 2751 engineering, got rid of all the emissions garabge/rats nest and haven't looked back.
Old 07-22-08, 07:52 PM
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an AFM issue will allow engine to start but die almost immediately..check to make sure your fuel pump is working, change fuel filter, you can check injectors as well make sure there firing properly. is the ECU the right one for your year car?
Old 07-22-08, 07:55 PM
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yes proper ecu will have to check out all this stuff this weekend and see hows it goes tahnx to all
Old 07-22-08, 09:22 PM
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jw aswell whats AFM stand for?never heard that term before
Old 07-22-08, 09:36 PM
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in regards to londamazda taking all that stuff off doesnt effect anything? like performance wise the car will still run the same as if they were on there?
Old 07-22-08, 10:08 PM
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air flow meter. on are cars its actually a MAF because its a mass air flow meter but anyways all regarding the air flow meter
Old 07-23-08, 12:17 AM
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i thought about the MAF just AFM was a new term, thnx for all the help hope some of this advice works
Old 07-23-08, 01:07 AM
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im not sure of your setup as you didnt say. but you may want to ask yourself...

"oh standalone ECU, where art thou?" hahhah

weird humor late at night my apologies. lol
Old 07-26-08, 10:12 AM
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fuel pump working, fuel filter changed, timing reset, injectors checked, so by process of elimination i'm guessing its the AFM/MAF now is to either get it checked or get a new/used one unless there are any other ideas as to what it might be your replies are greatly appreciated
Old 07-26-08, 10:27 AM
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clean the connections on the MAF and plug before you get a new one. Make sure the flap door swings freely. People have found **** like rats and stuff in there
Old 07-26-08, 11:29 AM
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2 things to reply
1 connections do look a little dirty
and 2 i did a search for the part number and the AFM i have is for N/A not Turbo not sure if makes a diff
oh and also the only way to get the car running is to poor gas into the throttle body then it starts but must hold gas to have it stay running forgot about that info sorry
Old 07-27-08, 11:19 PM
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i did this to check for ECU codes but nothing popped up so i guess everything on the list is working properly http://fc3spro.com/TECH/HOWTO/ERRORC...KI/zerror.html
Old 07-27-08, 11:22 PM
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gonna check fuel pump and injectors again
Old 08-07-08, 10:02 AM
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well officially out of ideas i have checked pretty much every thing i can think of and others have told me to check so now car is being brought to my local Mazda for diagnosis, that is whenever their machine is working well thanks to everyone who replied and tried to help it is appreciated and i will update once the car gets looked at probably a few weeks.

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