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Crank, no start! i have spark and fuel

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herm1357

Probationary Member
17
0
May 12, 2004
Maumee, Ohio
I have a 91 talon turbo awd.I live in ohio and its cold here, well one day i wake up and get ready to go to work and go out to my car. Its hard to start, it took about several tries to get it started but it did and then drove it to work. after a ten hour day i go out to my car and it will not start at all.i wasnt getting spark,I checked all the plugs and sensors, everything is hooked up fine.turns out to be my ecu as the problem. I went to my local shop and they give me another ecu to try it still wouldnt start but now im getting spark. i know that my old ecu is bad becasue the caps leaked out and i could see the leak on my ecu board. so they give me another one to try but the part numbers dont match, they said it wouldnt matter. well i got it to start finally but quickly died again and will only start will carb cleaner.it threw 4 different codes

tps sensor
barometric pressure sensor
iat sensor
coolant sensor

so im getting spark and fuel but it will not start. also those codes are activated.

i really need help and suggestions please, does any one know what could be the problem. bad ecu?
things iv already tried-
changed - mpi relay, cas, power transistor,got a new fuel pump 255, checked all connections
any ideas or thoughts will help
 
temp sensor not sending unit..........the vehicle thinks the temp of the car is 176.5 degrees therfore it wont start with out the use of chemicals unhook the negative side of the battery and replace the sensor leave the negative terminal off for at least 15 minutes to reset the ecu then try it

lemme know if i helped or not
 
well there are three different temp sensors in the one little area, i replaced the one on the top but not the two on the bottom.did that and still same problem
 
the problem was the ecu, after going through 4 different ones the fourth one finally worked.
 
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