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Mpi Conversion Help 

 

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 Post subject: Mpi Conversion Help
Posted: Sat Aug 11, 2007 2:30 pm 
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hey guys need some help or advice i finshed putting the mpi gear on went to start it today and it sounds like it wonts to start but it isnt. i checked for spark and its getting spark. its getting fuel into the rail and i checked the plugs if there getting fuel but only 2 are. would this mean that 4 injectors are stuffed and i imagine the car wouldnt run with 2 cyc firing and also i havnt hooked up the purge hose yet does that come into it not starting

any help would be great
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Posted: Sat Aug 11, 2007 3:00 pm 
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did you change all the wiring loom and the computer too? Dizzy is also different as well

 

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Posted: Sat Aug 11, 2007 3:05 pm 
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yup did all that
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Posted: Sat Aug 11, 2007 3:23 pm 
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if its got spark and fuel can only really be timing I would think, but you would have done that I'm sure unless dizzy is a tooth out???

 

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Posted: Sun Aug 12, 2007 12:58 am 
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the timing is fine, but as i said im only getting fuel to two plugs. ill grap another set injectors tommorow and try that out

cheers for the help
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Posted: Sun Aug 12, 2007 1:42 am 
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Thats ok. hopefully its a simple fix

 

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Posted: Sun Aug 12, 2007 11:18 am 
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its doing wat mine was doing and that was the ecu wat ecu are you running

 

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Posted: Sun Aug 12, 2007 12:59 pm 
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im runing the 5sp mpi ecu
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Posted: Sun Aug 12, 2007 2:51 pm 
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i just put another set of injectors in and still the same but i can hear a explosion sound in the inlet.
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Posted: Sun Aug 12, 2007 5:38 pm 
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well does anyone know if i can test my ecu or does it need to be reset to run, its still not firing up its driving me mental
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Posted: Sun Aug 12, 2007 7:59 pm 
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i just checked my ecu and its a

87DA-12A650-CD

witch is a cpi ecu . some dodgy C*&t on ebay sold me a cpi not a mpi as he told me

so i guess this why my car isnt starting
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Posted: Mon Aug 13, 2007 3:23 am 
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well kinda glad that you got that sorted... now you got to find a ECU from the wreckers I guess..... 5 speed manual ones would be a joy to find too.. wonder if you can use a auto one, seeing as the auto computer is seperate????

 

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Posted: Mon Aug 13, 2007 11:35 am 
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ive been told i must use the 5 spd one
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Posted: Mon Aug 13, 2007 11:45 am 
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you can always do the resistor trick to an auto ECU to make it think its a manual.

 

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Posted: Mon Aug 13, 2007 3:52 pm 
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guys i still cant get the thing started ive got the right ecu. all plugs are getting wet . im getting spark and still wont fire. the only thing im not sure of is why there is a backfiring sound coming from the inlet manifold

this is doing my head in i need help i really dont want to have to put it on a trailer and take it to a mechanic
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