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Car Has Issues!!!! Help

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Old 10-04-06, 10:50 AM
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1JZ300
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Default Car Has Issues!!!! Help

i Have 1jz single after install run good on key cycle now runs bad acting like hits rev limiter and is now filling exhaust with fuel help!! Have reset ECU and checked everything can think of

almost sounds like its pulling timing!!! i need help!!! anyone out there can help let me know!!!
Old 10-04-06, 10:51 AM
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1JZ300
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it acts like it hits rev limitor at about 1600rpms
Old 10-04-06, 11:02 AM
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DriftNsc3
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Wow man that sucks, Could it be fuel cut off maybe?
Old 10-04-06, 12:02 PM
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1JZ300
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no it cant.......its at 1600 rpms......in park so im not moving, hense no boost
Old 10-04-06, 02:28 PM
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JJG2005
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No idea, but if you haven't already, post this question up on Supraforums.com as well, there are a lot of people with a 1JZ there.
Old 10-04-06, 05:24 PM
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Should have bought an SC400 V8 (1ux-fe)... .Never had a problem or break down with my 300whp+ SC400 with 105,000 miles on it...I hammer it on a daily bases....Actually the auto tranny went out under the juice last month.

"Gentlemen we had to rebuild it, better then it was before, better, stronger, faster"....(not a triptronic but bionic auto tranny)...

My bad...Had one issue....

Last edited by jibbby; 10-04-06 at 05:34 PM.
Old 10-04-06, 05:36 PM
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Have you checked the plugs and coils for cracks? Also check your map sensor.
Old 10-04-06, 08:44 PM
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1JZ300
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actually i just bought new plugs, NGK Irinium, this problem was going on and i thought the plugs were going to fix it, i gapped them to 35. Also i havent checked for crackes yet, i will tomorrow, also i have a new problem...the car spit out LIQUID fuel out the exhaust??? any takers on that one....too rich? inj stuck open?? what....
Old 10-04-06, 09:56 PM
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wayne
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Sounds like the injectors are stuck open. Friend of mine had the same problem and he changed them and it worked out fine.
Old 10-05-06, 11:10 AM
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Wayne, I really like your SC as it looks alot like mine....Except yours is putting out about 100whp more then mine....I would still race you 0-60 for kicks.....I might just win too...Nice ride anyway.


!jz300 - Wish you the best with your fix....I really do hate problem solving these types of problems...
Attached Thumbnails Car Has Issues!!!! Help-picture-122.jpg  
Old 10-05-06, 04:45 PM
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Originally Posted by 1JZ300
actually i just bought new plugs, NGK Irinium, this problem was going on and i thought the plugs were going to fix it, i gapped them to 35. Also i havent checked for crackes yet, i will tomorrow, also i have a new problem...the car spit out LIQUID fuel out the exhaust??? any takers on that one....too rich? inj stuck open?? what....
Gapped to .35?! Most 1JZ guys gap to .28.
Old 10-06-06, 07:15 PM
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1JZ300
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ill try to gap them lower.....injector 4 was stuck open!!!! thanks for the help!! i appreciate it
Old 10-06-06, 07:48 PM
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got_trd
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.35 is almost n/a gap. i'd try to keep it around .25-.28 if i were you
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