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 rb20 broke :(

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ef1lover
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PostSubject: rb20 broke :(   Thu Jun 23, 2011 4:14 pm

ok so i am not even sure i know where to start? hello my name is Anthony i have a 1990 240sx with a rb20 i bought the car swapped but have never got it running correct Sad what the car does is it idles ok and revs fine but when u drive the car it goes noware a 10 speed bike could pass me things i have changed i have splitfire coils, walbro pump, aem adj fpr, blitz chipped ecu, 3'' exhaust, hardpipe intake tube with hks filter the fuel pressure is set at 38-39 at idle the plugs are gapped at .8 and new i have 2 diffrent mafs 2 diffrent ignitors, 3 computers and cant seem to get the problem fixed?? with the one computer i got with the car which is a 212 computer its a chipped non turbo comuter it will idle but like i said has no power no codes just blinks 55 with the blitz ecu i get a code 11 and the other day i hade a code 21 ?? with the blitz ecu it runs like garabage wont really idle and sounds like its missing and the third comuter if i rember is a 117 so a auto turbo computer and it just keeps blinking like its blown up or in limp mode it starts up but u need to crank up the fuel pressure ?? i have no idea i am lost it makes no sense to me i am just a transmission guy lol! if u have any idea please post or call me @ 1 262 483 9143 i would love to drive it and not have to have it stay in the garage any longer Sad thanks for any advise u have
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600SX
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PostSubject: Re: rb20 broke :(   Thu Jun 23, 2011 4:19 pm

Since this is kind of an introduction (with a little tech), I moved it for you.

Welcome to the forum, and I'm sure a RB guru will help you out.

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ef1lover
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PostSubject: Re: rb20 broke :(   Thu Jun 23, 2011 4:24 pm

thanks 600sx the nismo god hates me lol
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600SX
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PostSubject: Re: rb20 broke :(   Thu Jun 23, 2011 4:27 pm

Pics and a little more about yourself would be appreciated.

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ef1lover
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PostSubject: Re: rb20 broke :(   Thu Jun 23, 2011 4:30 pm

i like your signature my other car is a 2003 yellow evo lol
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600SX
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PostSubject: Re: rb20 broke :(   Thu Jun 23, 2011 4:32 pm

Sorry to hear that... Laughing

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ef1lover
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PostSubject: Re: rb20 broke :(   Thu Jun 23, 2011 4:36 pm

hay at least that car runs lol thats better then the nissan Smile
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ef1lover
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PostSubject: Re: rb20 broke :(   Thu Jun 23, 2011 4:44 pm

so am i suppose to throw my original post in the tech pages ??? confused ??
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ttallin
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PostSubject: Re: rb20 broke :(   Thu Jun 23, 2011 7:38 pm

what up man made it on here
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s13.240sx
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PostSubject: Re: rb20 broke :(   Thu Jun 23, 2011 9:14 pm

have you checked for the typical vacuum leaks? It sounds like you need to start with all of the basics, timing, check all sensors(tps, coolant temp, knock and O2). That Blitz computer is probably useless unless you know what exact parts that it is tuned for. No power leads me to believe you have a vacuum issue though. I have an SR and have had quite a lot of troubleshooting to get it to run good. Even when I get it to a point where I think that it is finally running perfect I always seem to find something else that needs to be fixed/worked on. This is why they are called "project cars". The project usually never ends.
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ohhhizzzy
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PostSubject: Re: rb20 broke :(   Fri Jun 24, 2011 2:53 pm

welcome
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93sapphirecoupe
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PostSubject: Re: rb20 broke :(   Sat Jun 25, 2011 2:18 pm

sounds like your timing may be off. hard to say though
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hurleyboy00
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PostSubject: Re: rb20 broke :(   Sun Jun 26, 2011 9:49 am

I spoke to you in email a few days ago. You didn't mention the ECU situation... I would get the correct ECU first. I can almost guarantee that is part of the issue. Especially if you are running a NA ecu on a FI engine.

These are wrong for your car, yes it does make a difference:
R32-GtS RB20DE Manual M FR 23710-11U00 MEC-R212
R32-GTS4 RB20DET Auto 4WD 23710-04U70 MEC-R117

A RWD RB20DET needs, figure out what exact model year engine you have for best results:
R32-GTSt RB20DET Manual FR 23710-04U01 MEC-R126 27C256 (Big #22 on it) OR
R32-GTSt RB20DET Manual FR 23710-04U00 MEC-R106 27C256
R32-GtSt RB20DET Manual FR 23710-04U02 MEC-R132 27C256

After you get the correct ECU, do the timing, check the vacuum and intercooler piping. Igniter chips generally don't go bad.
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PostSubject: Re: rb20 broke :(   

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rb20 broke :(
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