SR20DET BLACK TOP PROBLEM. PLEASE HELP B4 I GO CRAZY.

ONLY for ADVANCED technical discussion about the 240sx!
MiKe2TheMaX
Posts: 1
Joined: Sat Nov 24, 2007 7:44 pm
Car: 90 240sx blk top, 90 240sx ka, 03 Maxima 6spd, 95 Accord beater

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I HAVE A 90 240 WITH A SR BLK TOP. FRONT MOUNT, FULL EXHAUST, MANUAL BOOST CONT, 255LPM FP(SO I WAS TOLD),STOCK ECU.I PURCHASED THE CAR FROM FLORIDA, DROVE IT TO MY HOME IN NEW YORK (MARCH07)AND EVERYTHING WAS FINE, THEY HAD IT RUNNING ABOUT 17POUNDS OF BOOST. I DROVE IT AROUND FOR ABOUT A WEEK IN THE COLD WEATHER IT WAS FINE. THEN ONE DAY IT STARTED TO RUN REALLY BAD. WHEN THE MOTOR IS COLD I PUT IT IN GEAR AND GO BUT IT FEELS LIKE IT IS MISSING IN ALL GEARS, THE CAR SHAKES BAD, AFTER IT WARMS UP THE CAR DRIVES BETTER BUT I CANT FLOOR IT BC AFTER ABOUT 12POUNDS OF BOOST IT LOOSES POWER AND FEELS LIKE A FUEL CUT OFF. IN OTHER WORDS I HAVE NOT ENJOYED IT FULLY IN MONTHS. IN 4TH AND 5TH GEAR IT WILL KICK A FEW TIMES UNDER FULL ACCELERATION, BUT IT WILL ACCELERATE PRETTY WELL. WHEN THE TEMP OUTSIDE IS OVER 80 THE CAR RUNS BETTER BUT STILL NEEDS 10MIN OF WARM UP AND I CANT GET ON IT IN 1ST 2ND OR 3RD. I HAVE CHECKED ALL CONNECTIONS AND CHANGED THE SPARK PLUGS, EVEN REMOVED THE BOOST CONT.EVEN THE STOCK 8POUNDS WILL LEAVE THE CAR SHAKING VIOLENTLY WHEN FLOORING IT. IF IT WILL HELP ILL RECORD IT AND POST IT ON YOUTUBE, ANY HELP IS GREATLY APPRECIATED, THANKS FOR YOUR TIME.


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Hijacker
Posts: 14373
Joined: Wed Aug 13, 2003 4:57 am
Car: '92 240sx Convertible
'94 F-150
Location: Fredericksburg, VA

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Please go back and repost this thread legibly, and without capslock in the proper forum please. All caps and no punctuation makes me not want to read your post at all


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