2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

fixed old problems and yet a new one arises

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Old Oct 8, 2006 | 10:36 PM
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rxspeed7's Avatar
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fixed old problems and yet a new one arises

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well i got the whole fuel issue worked out with a little bit os ss hose and an fittings. go to start tunning get a feww good pulls done got rid of a **** load of fuel feeling pretty good about the new fuel parts and then go to do another pull and at about 5k it feels like my car hits a wall.
i meen i almost ate the steering wheel. it sounds like the car is shutting off. i thiught she blew but return to idle and reved to redline fine. does it the majority of the time between 4.5k and 5k. every now and then i can get a full pull in not so often though.
in the datalog function i can watch the ignition retard 20 degrees or so when this happens. not fuel cut b/c the emanage has control of that. my afr's are a solid 10.8 up until this happens. it feels like a bad ignition cut or something. new plugs, wires are good, sec are definetly coming online, tps is at 1k ohm to 5.2k ohms, knock sensor has been melted since i bought the car, the only sensor im unsure about is the map sensor. the dash gauge has been going in and out for a while now, so i dont think thats it,but can that cause ignition cut.
i posted that im looking for one in the wanted section. i've tried unpluging the map sensor and driving it, its fine at first but then does the same thing. did the same with the tps same results. it sucks droping 500 bux into your car and not being able to drive it. i think next year its going to be haltech time. sorry for such a long post but im not too good explaining things on the iternet. thanks.zack
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Old Oct 8, 2006 | 11:44 PM
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if any one has a n318 boost sensor for sale hit me up
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Old Oct 9, 2006 | 01:13 PM
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anyone
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Old Oct 9, 2006 | 01:17 PM
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try the forsale section
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Old Oct 9, 2006 | 07:35 PM
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so nobody has never encoutered this problem before
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Old Oct 11, 2006 | 09:35 AM
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could a bad map sensor cause this or maybe a bad afm
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Old Oct 11, 2006 | 11:24 AM
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Maybe restricted exhaust? AFM? Grounding Issue? Just spitting thoughts out. not much help sorry.
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