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1jz no start problems

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Old Aug 20, 2010 | 10:34 PM
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Default 1jz no start problems

so i just dropped in a 1jz out of a running mk3 supra...only things i did was change the timing belt, change the injectors to 550s with a resistor along with a engine harness and i'm trying to use a chaser ecu.

The engine cranks but does not start. Doesn't look like im getting spark, fuel pulse or fuel pump....


any ideas?
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Old Aug 20, 2010 | 11:20 PM
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Wow! did the motor run off the chaser ecu in the mk3? I think you might want to ask BigWaveSC his sc is running off a chaser 1jzvvti and he might be able to help you.
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Old Aug 20, 2010 | 11:27 PM
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i would check timing again, no spark is usually means the timing is bad, try to pull one of the spark wires out and tap it to ground when cranking to see if it is sparking
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Old Aug 21, 2010 | 06:56 AM
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no i used an mk3 1jz ecu and harness before but i had to change those 2 things going into the sc....

i used a spark tester and had no spark....i checked the timing and seems to be correct unless you can be 180 off with these engines....but even if the timing was off wouldnt it still try to fire?

also there is not CEL

Last edited by empera; Aug 21, 2010 at 07:38 AM.
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Old Aug 21, 2010 | 05:04 PM
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sounds like a fried ECU. Is the ECU getting any power at all?
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Old Aug 21, 2010 | 06:08 PM
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i think so, im also thinking its ecu...
i just need another ecu to try or someone to try my ecu on theirs....what ecu are you using?
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Old Aug 21, 2010 | 06:18 PM
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i have a stock soarer ECU on mine, no mods to it. Check to see if the ECU is getting power first before you go buy another ECU
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Old Aug 21, 2010 | 06:24 PM
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i believe me and my buddy checked that last night, im pretty sure i was drunk tho so memory isnt working too well....

want me to send my chaser ecu along with the ct 1j manifold for you to try?
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Old Aug 26, 2010 | 11:09 AM
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anyone else have ideas?
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